Journal ArticleJ Neuropsychol · September 2025
Harmonized neuropsychological assessment for neurocognitive disorders (NCDs) is an urgent priority in clinics. Neuropsychology assessments in NCDs seldom include tests exploring social cognitive skills. In 2022, we launched the SIGNATURE initiative to opti ...
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Journal ArticleAlzheimers Dement · September 2025
INTRODUCTION: Accurate prediction of Alzheimer's disease (AD) dementia onset and progression to mild cognitive impairment (MCI) is crucial for early intervention and clinical trial design. This study presents a predictive framework leveraging Bayesian mode ...
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Journal ArticleAppl Neuropsychol Adult · April 4, 2025
OBJECTIVE: Examine the correlation between a visual rating of white matter integrity and common measures of language function in older adults from the Cache County Memory Study (CCMS) legacy data. METHODS: Scheltens Ratings scores of white matter were calc ...
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Journal ArticleAppl Neuropsychol Adult · 2025
OBJECTIVE: Examine the association between neuropsychologically assessed executive function and clinically identifiable white matter burden from magnetic resonance imaging, using a visual rating system (Scheltens Rating System) applied to the Cache County ...
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Journal ArticleGerontechnology · January 1, 2025
Introduction: Jigsawdio is a multi-sensory personalized puzzle system that blends images and audio to stimulate cognitive function and emotional well-being in people living with dementia. This pilot study was designed to provide evidence of the effect of t ...
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Journal ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association · December 1, 2024
BACKGROUND: Interventional trials in Alzheimer's Disease (AD) are increasingly targeting early disease stages. To optimize the likelihood of successful outcomes for these trials, there is an important need for tools capable of identifying individuals prone ...
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Journal ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association · December 1, 2024
BACKGROUND: The impact of knowledge of β-amyloid status on cognitively unimpaired persons' cognitive test performance is unknown. METHOD: Cognitively unimpaired adults aged 65-80 with a first-degree relative with AD received a dementia risk estimate and we ...
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Journal ArticleJ Appl Gerontol · November 2024
BACKGROUND AND OBJECTIVES: Mild cognitive impairment (MCI) affects up to 22% of US older adults aged 65 and older. Research suggests that physicians may recommend less cardiovascular disease (CVD) treatment for older adults with MCI due to assumptions abou ...
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ConferenceAnesthesiology · May 1, 2024
BACKGROUND: Anesthesia and/or surgery accelerate Alzheimer's disease pathology and cause memory deficits in animal models, yet there is a lack of prospective data comparing cerebrospinal fluid (CSF) Alzheimer's disease-related biomarker and cognitive traje ...
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Journal ArticleJournal of Health and Social Sciences · March 15, 2024
Introduction: Non-immersive technology-based mindfulness meditation programs have been shown to effectively reduce stress and improve users' mental health. Still, little research has been conducted to assess the health benefits of an immersive virtual real ...
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Journal ArticleAlzheimers Dement (N Y) · 2024
INTRODUCTION: Alzheimer's disease (AD) is a neurodegenerative disorder characterized by declines in cognitive and functional severities. This research utilized the Clinical Dementia Rating (CDR) to assess the influence of tilavonemab on these deterioration ...
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Journal ArticleAlzheimers Dement · June 2023
INTRODUCTION: Standardized cognitive assessment would enhance diagnostic reliability across memory clinics. An expert consensus adapted the Uniform Dataset (UDS)-3 for European centers, the clinician's UDS (cUDS). This study assessed its implementation acc ...
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Journal ArticleJ Stroke Cerebrovasc Dis · June 2023
GOALS: Evidence suggests that patients with mild cognitive impairment (MCI) receive fewer treatments for acute ischemic stroke and other cardiovascular diseases than patients with normal cognition. Little is known about how patient and care partner prefere ...
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Journal ArticleJ Alzheimers Dis · 2023
BACKGROUND: Emerging research has shown racial and ethnic variations in the magnitude of association between the apolipoprotein ɛ4 (APOE ɛ4) allele and the risk of developing Alzheimer's disease and related dementias (ADRD). Studies researching this associ ...
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Journal ArticleJ Prev Alzheimers Dis · 2023
BACKGROUND: The 523 poly-T length polymorphism (rs10524523) in TOMM40 has been reported to influence longitudinal cognitive test performance within APOE ε3/3 carriers. The results from prior studies are inconsistent. It is also unclear whether specific APO ...
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Journal ArticleJ Alzheimers Dis · 2023
BACKGROUND: TOMM40 '523 has been associated with cognitive performance and risk for developing Alzheimer's disease independent of the effect of APOE genotype. Few studies have considered the longitudinal effect of this genotype on change in cognition over ...
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Journal ArticleAlzheimers Dement (N Y) · 2023
The efficient and accurate execution of clinical trials testing novel treatments for Alzheimer's disease (AD) is a critical component of the field's collective efforts to develop effective disease-modifying treatments for AD. The lengthy and heterogeneous ...
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Journal ArticleAlzheimers Dement · December 2022
Between 2018 and 2019, multiple clinical trials ended earlier than planned, resulting in calls to improve communication with and support for participants and their study partners ("dyads"). The multidisciplinary Participant Follow-Up Improvement in Researc ...
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Journal ArticleCommun Biol · October 8, 2022
Dysregulation of sphingomyelin and ceramide metabolism have been implicated in Alzheimer's disease. Genome-wide and transcriptome-wide association studies have identified various genes and genetic variants in lipid metabolism that are associated with Alzhe ...
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Journal ArticleJ Gen Intern Med · June 2022
BACKGROUND: Older patients (65+) with mild cognitive impairment (MCI) receive less guideline-concordant care for cardiovascular disease (CVD) and other conditions than patients with normal cognition (NC). One potential explanation is that patients with MCI ...
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Journal ArticleBiosens Bioelectron · January 15, 2022
Alzheimer's disease (AD) is a progressive and irreversible neurodegenerative brain disorder that affects tens of millions of older adults worldwide and has significant economic and societal impacts. Despite its prevalence and severity, early diagnosis of A ...
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Journal ArticleJ Alzheimers Dis · 2022
BACKGROUND: Older patients (≥65 years) with mild cognitive impairment (MCI) are undertreated for cardiovascular disease (CVD). One reason for this disparity could be that patients with MCI might underestimate the chances of CVD and overestimate dementia. O ...
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Journal ArticleJ Prev Alzheimers Dis · 2022
BACKGROUND: The onset of mild cognitive impairment (MCI) is an essential outcome in Alzheimer's disease (AD) prevention trials and a compelling milestone for clinically meaningful change. Determining MCI, however, may be variable and subject to disagreemen ...
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Journal ArticleFront Psychiatry · 2022
Cognitive impairment is a common and pervasive feature of etiologically diverse disorders of the central nervous system, and a target indication for a growing number of symptomatic and disease modifying drugs. Remotely acquired digital endpoints have been ...
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Journal ArticleAlzheimers Dement · November 2021
INTRODUCTION: Effective strategies to recruit older adults with mild cognitive impairment (MCI) into nonpharmacological intervention trials are lacking. METHODS: Recruitment for EXERT, a multisite randomized controlled 18-month trial examining the effects ...
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Journal ArticleLancet Neurol · July 2021
BACKGROUND: The identification of people at risk of cognitive impairment is essential for improving recruitment in secondary prevention trials of Alzheimer's disease. We aimed to test and qualify a biomarker risk assignment algorithm (BRAA) to identify par ...
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Journal ArticleFrontiers in psychology · January 2021
Objective: The majority of combat-related head injuries are associated with blast exposure. While Veterans with mild traumatic brain injury (mTBI) report cognitive complaints and exhibit poorer neuropsychological performance, there is little evidenc ...
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Journal ArticleAlzheimers Dement · August 2020
INTRODUCTION: The Alzheimer's Disease Prevention Registry (ADPR) of the Joseph and Kathleen Bryan Alzheimer's Disease Research Center at Duke University has been successful in achieving a racially diverse and "research ready" cohort of cognitively healthy ...
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Journal ArticleJ Am Geriatr Soc · March 2020
OBJECTIVES: To evaluate the longer term changes in executive functioning among participants with cardiovascular disease (CVD) risk factors and cognitive impairments with no dementia (CIND) randomized to a diet and exercise intervention. DESIGN: A 2 (Exerci ...
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Journal ArticleJ Alzheimers Dis · 2020
BACKGROUND: Previous studies have demonstrated that aerobic exercise (AE) and the Dietary Approaches to Stop Hypertension (DASH) diet can improve neurocognition. However, the mechanisms by which lifestyle improves neurocognition have not been widely studie ...
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Journal ArticleAlzheimers Dement (N Y) · 2020
INTRODUCTION: Federally funded Alzheimer's Disease Centers in the United States have been using a standardized neuropsychological test battery as part of the National Alzheimer's Coordinating Center Uniform Data Set (UDS) since 2005. Version 3 (V3) of the ...
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Journal ArticleNat Genet · September 2019
An amendment to this paper has been published and can be accessed via a link at the top of the paper. ...
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Journal ArticleJAMA Neurol · September 1, 2019
IMPORTANCE: Previous genome-wide association studies of common variants identified associations for Alzheimer disease (AD) loci evident only among individuals with particular APOE alleles. OBJECTIVE: To identify APOE genotype-dependent associations with in ...
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Journal ArticleAging Cell · August 2019
CpG-related single nucleotide polymorphisms (CGS) have the potential to perturb DNA methylation; however, their effects on Alzheimer disease (AD) risk have not been evaluated systematically. We conducted a genome-wide association study using a sliding-wind ...
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Journal ArticleAnesthesiology · June 2019
BACKGROUND: Cognitive decline after cardiac surgery occurs frequently and persists in a significant proportion of patients. Preclinical studies and human trials suggest that intravenous lidocaine may confer protection in the setting of neurologic injury. I ...
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Journal ArticleSci Rep · March 11, 2019
It is increasingly recognized that Alzheimer's disease (AD) exists before dementia is present and that shifts in amyloid beta occur long before clinical symptoms can be detected. Early detection of these molecular changes is a key aspect for the success of ...
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Journal ArticleNat Genet · March 2019
Risk for late-onset Alzheimer's disease (LOAD), the most prevalent dementia, is partially driven by genetics. To identify LOAD risk loci, we performed a large genome-wide association meta-analysis of clinically diagnosed LOAD (94,437 individuals). We confi ...
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Journal ArticleNat Genet · March 2019
Transcriptome-wide association analysis is a powerful approach to studying the genetic architecture of complex traits. A key component of this approach is to build a model to impute gene expression levels from genotypes by using samples with matched genoty ...
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Journal ArticleNeurology · January 15, 2019
OBJECTIVE: To determine the independent and additive effects of aerobic exercise (AE) and the Dietary Approaches to Stop Hypertension (DASH) diet on executive functioning in adults with cognitive impairments with no dementia (CIND) and risk factors for car ...
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Journal ArticleJ Prev Alzheimers Dis · 2019
BACKGROUND: White matter integrity in aging populations is associated with increased risk of cognitive decline, dementia diagnosis, and mortality. Population-based data can elucidate this association. OBJECTIVES: To examine the association between white ma ...
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Journal ArticleJ Prev Alzheimers Dis · 2019
Combination therapy is expected to play an important role for the treatment of Alzheimer's disease (AD). In October 2018, the European Union-North American Clinical Trials in Alzheimer's Disease Task Force (EU/US CTAD Task Force) met to discuss scientific, ...
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Journal ArticleAlzheimers Dement (N Y) · 2019
INTRODUCTION: Mitochondrial dysfunction is implicated in the pathophysiology of Alzheimer's disease (AD). Accordingly, drugs that positively influence mitochondrial function are being evaluated in delay-of-onset clinical trials with at-risk individuals. Su ...
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Journal ArticleJ Alzheimers Dis · 2019
BACKGROUND: Greater body weight has been associated impairments in neurocognition and greater dementia risk, although the mechanisms linking weight and neurocognition have yet to be adequately delineated. OBJECTIVE: To examine metabolic mechanisms underlyi ...
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Journal ArticleAlzheimers Dement (N Y) · 2019
INTRODUCTION: Alzheimer's disease (AD) is a continuum with neuropathologies manifesting years before clinical symptoms; thus, AD research is attempting to identify more disease-modifying approaches to test treatments administered before full disease expres ...
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Journal ArticleActa Neuropathol · December 2018
Cerebrospinal fluid (CSF) levels of amyloid-β 42 (Aβ42) and tau have been evaluated as endophenotypes in Alzheimer's disease (AD) genetic studies. Although there are sex differences in AD risk, sex differences have not been evaluated in genetic studies of ...
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Journal ArticleJAMA Neurol · August 1, 2018
IMPORTANCE: The strongest genetic risk factor for Alzheimer disease (AD), the apolipoprotein E (APOE) gene, has a stronger association among women compared with men. Yet limited work has evaluated the association between APOE alleles and markers of AD neur ...
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Journal ArticleHum Brain Mapp · February 2018
OBJECTIVES: Older adults often display postoperative cognitive decline (POCD) after surgery, yet it is unclear to what extent functional connectivity (FC) alterations may underlie these deficits. We examined for postoperative voxel-wise FC changes in respo ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2018
INTRODUCTION: The neuropsychological battery of the Uniform Data Set (UDSNB) was implemented in 2005 by the National Institute on Aging (NIA) Alzheimer Disease Centers program to measure cognitive performance in dementia and mild cognitive impairment due t ...
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Journal ArticleAlzheimers Dement (N Y) · 2018
The Alzheimer's Association's Research Roundtable met in November 2016 to explore how best to measure changes in cognition and function in the preclinical stage of Alzheimer's disease. This review will cover the tools and instruments currently available to ...
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Journal ArticleJ Alzheimers Dis · 2018
BACKGROUND: Dual-task paradigms, in which an individual performs tasks separately and then concurrently, often demonstrate that people with neurodegenerative disorders experience more dual-task interference, defined as worse performance in the dual-task co ...
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Journal ArticleAlzheimers Dement (N Y) · 2018
INTRODUCTION: Assessment of preclinical Alzheimer's disease (AD) requires reliable and validated methods to detect subtle cognitive changes. The battery of standardized cognitive assessments that is used for diagnostic criteria for mild cognitive impairmen ...
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Journal ArticleJ Prev Alzheimers Dis · 2018
BACKGROUND: Continuing advances in the understanding of Alzheimer's disease progression have inspired development of disease-modifying therapeutics intended for use in preclinical populations. However, identification of clinically meaningful cognitive and ...
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Journal ArticleAlzheimer S and Dementia Diagnosis Assessment and Disease Monitoring · January 1, 2018
Introduction: There is conflicting evidence whether high-density lipoprotein cholesterol (HDL-C) is a risk factor for Alzheimer's disease (AD) and dementia. Genetic variation in the cholesteryl ester transfer protein (CETP) locus is associated with altered ...
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Journal ArticleAlzheimers Dement (Amst) · 2018
INTRODUCTION: Performance of "Revere", a novel iPad-administered word-list recall (WLR) test, in quantifying deficits in verbal episodic memory, was evaluated versus examiner-administered Rey Auditory Verbal Learning Test (RAVLT) in patients with mild cogn ...
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Journal ArticleNat Genet · September 2017
We identified rare coding variants associated with Alzheimer's disease in a three-stage case-control study of 85,133 subjects. In stage 1, we genotyped 34,174 samples using a whole-exome microarray. In stage 2, we tested associated variants (P < 1 × 10-4) ...
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Journal ArticleAlzheimers Dement · July 2017
INTRODUCTION: Genetic loci for Alzheimer's disease (AD) have been identified in whites of European ancestry, but the genetic architecture of AD among other populations is less understood. METHODS: We conducted a transethnic genome-wide association study (G ...
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Journal ArticleJ Am Geriatr Soc · January 2017
OBJECTIVES: To look for changes in intrinsic functional brain connectivity associated with postoperative changes in cognition, a common complication in seniors undergoing major surgery, using resting-state functional magnetic resonance imaging. DESIGN: Obj ...
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Journal ArticlePsychosom Med · 2017
OBJECTIVE: The aim of the study was to determine the relationship of lifestyle factors and neurocognitive functioning in older adults with vascular risk factors and cognitive impairment, no dementia (CIND). METHODS: One hundred sixty adults (M [SD] = 65.4 ...
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ConferenceJ Prev Alzheimers Dis · 2017
At a meeting of the EU/US/Clinical Trials in Alzheimer's Disease (CTAD) Task Force in December 2016, an international group of investigators from industry, academia, and regulatory agencies reviewed lessons learned from ongoing and planned prevention trial ...
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Journal ArticleCurr Neurol Neurosci Rep · May 2016
Clinical trials for Alzheimer's disease are now focusing on the earliest stages of the disease with the goal of delaying dementia onset. There is great utility in using genetic variants to identify individuals at high age-dependent risk when the goal is to ...
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Journal ArticleNeurobiol Aging · May 2016
Alzheimer's disease (AD) is a complex genetic disorder with no effective treatments. More than 20 common markers have been identified, which are associated with AD. Recently, several rare variants have been identified in Amyloid Precursor Protein (APP), Tr ...
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Journal ArticleJ Neurosurg · February 2016
OBJECTIVE: Mild traumatic brain injury (TBI) has been proposed as a risk factor for the development of Alzheimer's disease, Parkinson's disease, depression, and other illnesses. This study's objective was to determine the association of prior mild TBI with ...
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Journal ArticleNat Rev Neurol · January 2016
If we are to find treatments to postpone, reduce the risk of, or completely prevent the clinical onset of Alzheimer disease (AD), we need faster methods to evaluate promising preclinical AD treatments, new ways to work together in support of common goals, ...
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Journal ArticleNeuroimage Clin · 2016
Relational memory declines are well documented as an early marker for amnestic mild cognitive impairment (aMCI). Episodic memory formation relies on relational processing supported by two mnemonic mechanisms, generation and binding. Neuroimaging studies us ...
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Journal ArticlePLoS One · 2016
Late onset Alzheimer's disease (LOAD) is a genetically complex and clinically heterogeneous disease. Recent large-scale genome wide association studies (GWAS) have identified more than twenty loci that modify risk for AD. Despite the identification of thes ...
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Journal ArticleAlzheimers Dement (N Y) · January 1, 2016
BACKGROUND: A straightforward, reproducible blood-based test that predicts age dependent risk of Alzheimer's disease (AD) could be used as an enrichment tool for clinical development of therapies. This study evaluated the prognostic performance of a geneti ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2016
INTRODUCTION: Four new nonproprietary tests were recommended for use in the National Alzheimer's Coordinating Center's Uniform Data Set Neuropsychological Battery. These tests are similar to previous tests but also allow for continuity of longitudinal data ...
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Journal ArticleMol Psychiatry · January 2016
APOE ɛ4, the most significant genetic risk factor for Alzheimer disease (AD), may mask effects of other loci. We re-analyzed genome-wide association study (GWAS) data from the International Genomics of Alzheimer's Project (IGAP) Consortium in APOE ɛ4+ (10 ...
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Journal ArticleAlzheimers Dement · December 2015
Observational research shows that higher body mass index (BMI) increases Alzheimer's disease (AD) risk, but it is unclear whether this association is causal. We applied genetic variants that predict BMI in Mendelian randomization analyses, an approach that ...
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Journal ArticleJAMA Neurol · November 2015
IMPORTANCE: Mutations in known causal Alzheimer disease (AD) genes account for only 1% to 3% of patients and almost all are dominantly inherited. Recessive inheritance of complex phenotypes can be linked to long (>1-megabase [Mb]) runs of homozygosity (ROH ...
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Journal ArticleEuropean Archives of Psychiatry and Clinical Neuroscience · August 12, 2015
It is common for some healthy older adults to obtain low test scores when a battery of neuropsychological tests is administered, which increases the risk of the clinician misdiagnosing cognitive impairment. Thus, base rates of healthy individuals’ low scor ...
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Journal ArticleEur Arch Psychiatry Clin Neurosci · August 2015
It is common for some healthy older adults to obtain low test scores when a battery of neuropsychological tests is administered, which increases the risk of the clinician misdiagnosing cognitive impairment. Thus, base rates of healthy individuals' low scor ...
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Journal ArticlePLoS Med · June 2015
BACKGROUND: Potentially modifiable risk factors including obesity, diabetes, hypertension, and smoking are associated with Alzheimer disease (AD) and represent promising targets for intervention. However, the causality of these associations is unclear. We ...
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Journal ArticleJAMA Neurol · February 2015
IMPORTANCE: Recently, a rare variant in the amyloid precursor protein gene (APP) was described in a population from Iceland. This variant, in which alanine is replaced by threonine at position 673 (A673T), appears to protect against late-onset Alzheimer di ...
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Journal ArticleAlzheimers Dement · November 2014
BACKGROUND: Understanding regional differences in cognitive performance is important for interpretation of data from large multinational clinical trials. METHODS: Data from Durham and Cabarrus Counties in North Carolina, USA and Tomsk, Russia (n = 2972) we ...
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Journal ArticleJAMA Neurol · November 2014
IMPORTANCE: Because APOE locus variants contribute to risk of late-onset Alzheimer disease (LOAD) and to differences in age at onset (AAO), it is important to know whether other established LOAD risk loci also affect AAO in affected participants. OBJECTIVE ...
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Journal ArticleAlzheimers Dement · November 2014
BACKGROUND: Several studies have demonstrated a lower apolipoprotein E4 (APOE ε4) allele frequency in African-Americans, but yet an increased age-related prevalence of AD. An algorithm for prevention clinical trials incorporating TOMM40'523 (Translocase of ...
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Journal ArticleNeurobiol Aging · November 2014
Although the use of antihypertensive medications has been associated with reduced risk of Alzheimer's disease (AD), it remains unclear which class provides the most benefit. The Cache County Study of Memory Health and Aging is a prospective longitudinal co ...
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Journal ArticleAm J Geriatr Psychiatry · November 2014
OBJECTIVE: Experiencing the death of a child is associated with negative short-term mental health consequences, but less is known about cognitive outcomes and whether such associations extend to late life. We tested the hypothesis that experiencing an offs ...
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Journal ArticleAm J Geriatr Psychiatry · November 2014
BACKGROUND: Cognitive profiles for pre-clinical Alzheimer disease (AD) can be used to identify groups of individuals at risk for disease and better characterize pre-clinical disease. Profiles or patterns of performance as pre-clinical phenotypes may be mor ...
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Journal ArticleHum Mol Genet · September 15, 2014
The molecular genetic basis that leads to Lewy Body (LB) pathology in 15-20% of Alzheimer disease cases (LBV/AD) was largely unknown. Alpha-synuclein (SNCA) and Leucine-rich repeat kinase2 (LRRK2) have been implicated in the pathogenesis of Parkinson's dis ...
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Journal ArticleAlzheimers Dement · September 2014
BACKGROUND: We investigated the genomic region spanning the Translocase of the Outer Mitochondrial Membrane 40-kD (TOMM40) and Apolipoprotein E (APOE) genes, that has been associated with the risk and age of onset of late-onset Alzheimer's disease (LOAD) t ...
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Journal ArticleAlzheimers Dement · May 2014
BACKGROUND: Single-nucleotide polymorphisms (SNPs) located in the gene encoding the regulatory subunit of the protein phosphatase 2B (PPP3R1, rs1868402) and the microtubule-associated protein tau (MAPT, rs3785883) gene were recently associated with higher ...
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Journal ArticleInt J Geriatr Psychiatry · February 2014
OBJECTIVE: Knowledge of potentially modifiable risk factors for neuropsychiatric symptoms (NPS) in Alzheimer's disease (AD) is important. This study longitudinally explores modifiable vascular risk factors for NPS in AD. METHODS: Participants enrolled in t ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2014
The recruitment of asymptomatic volunteers has been identified as a critical factor that is delaying the development and validation of preventive therapies for Alzheimer disease (AD). Typical recruitment strategies involve the use of convenience samples or ...
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Journal ArticleAm J Geriatr Psychiatry · November 2013
OBJECTIVES: To examine the association of neuropsychiatric symptom (NPS) severity with risk of transition to all-cause dementia, Alzheimer disease (AD), and vascular dementia (VaD). DESIGN: Survival analysis of time to dementia, AD, or VaD onset. SETTING: ...
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Journal ArticleAm J Clin Nutr · November 2013
BACKGROUND: Healthy dietary patterns may protect against age-related cognitive decline, but results of studies have been inconsistent. OBJECTIVE: We examined associations between Dietary Approaches to Stop Hypertension (DASH)- and Mediterranean-style dieta ...
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Journal ArticleInt J Geriatr Psychiatry · August 2013
OBJECTIVE: Stressful life events (SLE) have been associated with increased dementia risk, but their association with cognitive decline has been inconsistent. In a longitudinal population-based study of older individuals, we examined the association between ...
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Journal ArticleAlzheimers Dement · May 2013
BACKGROUND: Reliable blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) phenotypic biomarkers of Alzheimer's disease (AD) or mild cognitive impairment (MCI) are likely to emerge only from a systematic, quantitative, and aggreg ...
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Journal ArticleAm J Geriatr Psychiatry · March 2013
OBJECTIVE: Major depressive disorder is a likely risk factor for dementia, but some cases of major depressive disorder in older adults may actually represent a prodrome of this condition. The purpose of this study was to use neuropsychological test scores ...
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Journal ArticleClin Pharmacol Ther · February 2013
Curing Alzheimer's disease (AD) remains an elusive goal; indeed, it may even prove to be impossible, given the nature of the disease. Although modulating disease progression is an attractive target and will alleviate the burden of the most severe stages, t ...
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Journal ArticleContemp Clin Trials · January 2013
BACKGROUND: Risk factors for cardiovascular disease (CVD) not only increase the risk for clinical CVD events, but also are associated with a cascade of neurophysiologic and neuroanatomic changes that increase the risk of cognitive impairment and dementia. ...
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Journal ArticleAlzheimers Res Ther · 2013
Addressing causes of heterogeneity in cognitive outcomes is becoming more critical as Alzheimer's disease (AD) research focuses on earlier disease. One of the causes of this heterogeneity may be that individuals with deficiencies in different cognitive dom ...
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Journal ArticleInt J Geriatr Psychiatry · December 2012
OBJECTIVE: The use of psychotropic medications in Alzheimer's disease (AD) has been associated with both deleterious and potentially beneficial outcomes. We examined the longitudinal association of psychotropic medication use with cognitive, functional, an ...
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Journal ArticleNat Genet · December 2012
Pancreatitis is a complex, progressively destructive inflammatory disorder. Alcohol was long thought to be the primary causative agent, but genetic contributions have been of interest since the discovery that rare PRSS1, CFTR and SPINK1 variants were assoc ...
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Journal ArticleAm J Psychiatry · November 2012
OBJECTIVE: In order to assess the effect of gray matter volumes and cortical thickness on antidepressant treatment response in late-life depression, the authors examined the relationship between brain regions identified a priori and Montgomery-Åsberg Depre ...
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Journal ArticleNeurology · October 30, 2012
OBJECTIVES: Observational studies suggest reduced risk of Alzheimer disease (AD) in users of hormone therapy (HT), but trials show higher risk. We examined whether the association of HT with AD varies with timing or type of HT use. METHODS: Between 1995 an ...
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Journal ArticleInt Psychogeriatr · October 2012
BACKGROUND: Several observational studies have suggested a link between health status and rate of decline among individuals with Alzheimer's disease (AD). We sought to quantify the relationship in a population-based study of incident AD, and to compare glo ...
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Journal ArticleAm J Geriatr Psychiatry · September 12, 2012
OBJECTIVES:: To examine the association of neuropsychiatric symptom (NPS) severity with risk of transition to all-cause dementia, Alzheimer disease (AD), and vascular dementia (VaD). DESIGN:: Survival analysis of time to dementia, AD, or VaD onset. SETTING ...
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Journal ArticleJ Int Neuropsychol Soc · September 2012
The earliest cognitive deficits observed in amnestic mild cognitive impairment (aMCI) appear to center on memory tasks that require relational memory (RM), the ability to link or integrate unrelated pieces of information. RM impairments in aMCI likely refl ...
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Journal ArticleAlzheimers Dement · September 2012
INTRODUCTION: A highly polymorphic T homopolymer was recently found to be associated with late-onset Alzheimer's disease risk and age of onset. OBJECTIVE: To explore the effects of the polymorphic polyT tract (rs10524523, referred as '523') on cognitive pe ...
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Journal ArticleHum Mol Genet · August 1, 2012
Rare mutations in the gene encoding for tau (MAPT, microtubule-associated protein tau) cause frontotemporal dementia-spectrum (FTD-s) disorders, including FTD, progressive supranuclear palsy (PSP) and corticobasal syndrome, and a common extended haplotype ...
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Journal ArticleAm J Geriatr Psychiatry · August 2012
OBJECTIVES: To test the hypothesis that the degree of vascular burden and/or age of onset may influence the degree to which cognition can improve during the course of treatment in late-life depression. DESIGN: Measurement of cognition both before and follo ...
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Journal ArticleNeurobiol Aging · July 2012
SORL1 has been identified as a major contributor to late onset Alzheimer's disease (LOAD). We test whether genetic variability in the 5' of SORL1 gene modulates the risk to develop LOAD via regulation of SORL1-messenger ribonucleic acid (mRNA) expression a ...
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Journal ArticleAm J Geriatr Psychiatry · May 2012
OBJECTIVES: 1) To report rates of neuropsychiatric symptoms (NPS) in cognitive impairment, no dementia (CIND). 2) To compare the 30-day prevalence of NPS in CIND with that in dementia and cognitively normal individuals. 3) To compare the prevalence of NPS ...
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Journal ArticleAlzheimers Dement · May 2012
BACKGROUND: Observational studies suggest that cholinesterase inhibitors and/or memantine may delay clinical progression of Alzheimer's disease (AD) in 40% of individuals taking the medications. Given this response and existence of side effects, we sought ...
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Journal ArticleAm J Geriatr Psychiatry · March 11, 2012
OBJECTIVE:: Major depressive disorder is a likely risk factor for dementia, but some cases of major depressive disorder in older adults may actually represent a prodrome of this condition. The purpose of this study was to use neuropsychological test scores ...
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Journal ArticleJ Am Geriatr Soc · March 2012
OBJECTIVES: To identify distinct behavioral patterns of diet, exercise, social interaction, church attendance, alcohol consumption, and smoking and to examine their association with subsequent dementia risk. DESIGN: Longitudinal, population-based dementia ...
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Journal ArticleNeuroimage · February 1, 2012
Different imaging modalities provide essential complementary information that can be used to enhance our understanding of brain disorders. This study focuses on integrating multiple imaging modalities to identify individuals at risk for mild cognitive impa ...
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Journal ArticleCurr Top Behav Neurosci · 2012
Epidemiological studies of Alzheimer's disease (AD) provide insights into changing public health trends and their contribution to disease incidence. The current chapter considers how the population-based approach has contributed to our understanding of lif ...
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Journal ArticlePLoS One · 2012
In this paper, a high-dimensional pattern classification framework, based on functional associations between brain regions during resting-state, is proposed to accurately identify MCI individuals from subjects who experience normal aging. The proposed tech ...
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Journal ArticlePLoS One · 2012
We previously discovered that a polymorphic, deoxythymidine-homopolymer (poly-T, rs10524523) in intron 6 of the TOMM40 gene is associated with age-of-onset of Alzheimer's disease and with cognitive performance in elderly. Three allele groups were defined f ...
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Journal ArticleJ Clin Exp Neuropsychol · 2012
What pattern of brain damage could completely obliterate the sense of olfaction in humans? We had an opportunity to address this intriguing question in Patient B., who has extensive bilateral damage to most of the limbic system, including the medial and la ...
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Journal ArticleNeurobiol Aging · December 2011
Many elderly individuals remain dementia-free throughout their life. However, some of these individuals exhibit Alzheimer disease neuropathology on autopsy, evidenced by neurofibrillary tangles (NFTs) in AD-specific brain regions. We conducted a genome-wid ...
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Journal ArticleClin Neuropsychol · November 2011
Recall of the four-item constructional praxis measure was a later addition to the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) neuropsychological battery. Norms for this measure, based on cognitively intact African Americans age ≥70 ( ...
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Journal ArticleAm J Geriatr Psychiatry · September 2011
OBJECTIVES: Early parental death is associated with lifelong tendencies toward depression and chronic stress. We tested the hypothesis that early parental death is associated with higher risk for Alzheimer disease (AD) in offspring. DESIGN: A population-ba ...
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Journal ArticleAnn Neurol · September 2011
OBJECTIVE: Estimates of incident dementia, and cognitive impairment, not dementia (CIND) (or the related mild cognitive impairment) are important for public health and clinical care policy. In this paper, we report US national incidence rates for dementia ...
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Journal ArticleJ Gerontol B Psychol Sci Soc Sci · July 2011
OBJECTIVES: To examine the association of engagement in cognitively stimulating activities with cognitive and functional decline in a population-based sample of incident Alzheimer's disease (AD). METHOD: After diagnosis, 187 participants (65% females) were ...
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Journal ArticleAnn Thorac Surg · June 2011
BACKGROUND: Inclusion of a measure of left ventricular diastolic dysfunction (LVDD) may improve risk prediction after cardiac surgery. Current LVDD grading guidelines rely on echocardiographic variables that are not always available or aligned to allow gra ...
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Journal ArticleAm J Geriatr Psychiatry · June 2011
OBJECTIVES: Progression of Alzheimer dementia (AD) is highly variable. Most estimates derive from convenience samples from dementia clinics or research centers where there is substantial potential for survival bias and other distortions. In a population-ba ...
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Journal ArticleNat Genet · May 2011
The Alzheimer Disease Genetics Consortium (ADGC) performed a genome-wide association study of late-onset Alzheimer disease using a three-stage design consisting of a discovery stage (stage 1) and two replication stages (stages 2 and 3). Both joint analysis ...
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Journal ArticleAlzheimers Dement · May 2011
BACKGROUND: Metabolomics, the global science of biochemistry, provides powerful tools to map perturbations in the metabolic network and enables simultaneous quantification of several metabolites to identify metabolic perturbances that might provide insight ...
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Journal ArticleBrain Res · April 18, 2011
The brain reserve hypothesis has been posited as being one important mediating factor for developing dementia, especially Alzheimer's disease (AD). Evidence for this hypothesis is mixed though different methodologies have made these findings difficult to i ...
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Journal ArticleNeurogenetics · February 2011
Genetic variability at the 3' region of SNCA locus has been repeatedly associated with susceptibility to sporadic Parkinson's disease (PD). Accumulated evidence emphasizes the importance of SNCA dosage and expression levels in PD pathogenesis. However, the ...
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Journal ArticleNeuroimage · February 1, 2011
Mild cognitive impairment (MCI), often a prodromal phase of Alzheimer's disease (AD), is frequently considered to be a good target for early diagnosis and therapeutic interventions of AD. Recent emergence of reliable network characterization techniques has ...
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Journal ArticleAlzheimers Dement · January 2011
In this article, the challenges faced by several noted population studies for Alzheimer dementia in operationalizing current clinical diagnostic criteria for Alzheimer's disease (AD) have been reviewed. Differences in case ascertainment, methodological bia ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2011
The neuropsychological battery from the National Alzheimer's Disease Coordinating Center is designed to provide a sensitive assessment of mild cognitive disorders for multicenter investigations. Comprising 8 common neuropsychological tests (12 measures), t ...
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Journal ArticlePLoS One · 2011
BACKGROUND: The development of plasma biomarkers could facilitate early detection, risk assessment and therapeutic monitoring in Alzheimer's disease (AD). Alterations in ceramides and sphingomyelins have been postulated to play a role in amyloidogensis and ...
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Journal Article · December 2, 2010
Determining the presence of a memory disorder in older patients can be challenging given the similarity between the complaints of benign brain aging and early brain diseases, such as Alzheimer's disease. In this chapter is we provide an overview of the cog ...
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Journal ArticleLecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics · October 25, 2010
Mild cognitive impairment (MCI), often a prodromal phase of Alzheimer's disease (AD), is frequently considered to be a good target for early diagnosis and therapeutic interventions of AD. Recent emergence of reliable network characterization techniques hav ...
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Journal ArticlePharmacogenomics J · October 2010
The ɛ4 allele of the apolipoprotein E (APOE) gene is currently the strongest and most highly replicated genetic factor for risk and age of onset of late-onset Alzheimer's disease (LOAD). Using phylogenetic analysis, we have identified a polymorphic poly-T ...
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Journal ArticleAlzheimers Dement · July 2010
BACKGROUND: We sought to determine if the APOE epsilon4 allele influences both the functional activation and connectivity of the medial temporal lobes (MTLs) during successful memory encoding in young adults. METHODS: Twenty-four healthy young adults, i.e. ...
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Journal ArticleInt J Geriatr Psychiatry · July 2010
OBJECTIVE: To examine the utility of a brief, metacognition questionnaire by examining its association with objective cognitive testing and informant ratings. We hypothesized that the association between self-ratings of change and both outcomes would be gr ...
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Journal ArticleHypertension · June 2010
High blood pressure increases the risks of stroke, dementia, and neurocognitive dysfunction. Although aerobic exercise and dietary modifications have been shown to reduce blood pressure, no randomized trials have examined the effects of aerobic exercise co ...
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Journal ArticleNeurology · May 11, 2010
BACKGROUND: Commonly used organophosphate and organochlorine pesticides inhibit acetylcholinesterase at synapses in the somatic, autonomic, and central nervous systems and may therefore have lasting effects on the nervous system. Few studies have examined ...
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Journal ArticleJ Am Geriatr Soc · May 2010
OBJECTIVES: To examine the effects of caring for a spouse with dementia on the caregiver's risk for incident dementia. DESIGN: Population-based study of incident dementia in spouses of persons with dementia. SETTING: Rural county in northern Utah. PARTICIP ...
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Journal ArticlePsychosom Med · April 2010
OBJECTIVES: To assess the effects of aerobic exercise training on neurocognitive performance. Although the effects of exercise on neurocognition have been the subject of several previous reviews and meta-analyses, they have been hampered by methodological ...
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Journal ArticleNat Genet · March 2010
Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. The predominant neuropathology is FTLD with TAR DNA-binding protein (TDP-43) inclusions (FTLD-TDP). FTLD-TDP is frequently familial, resulting from mutations in ...
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Journal ArticleArch Gen Psychiatry · March 2010
CONTEXT: Research on vascular depression has used 2 approaches to subtype late-life depression, based on executive dysfunction or white matter hyperintensity severity. OBJECTIVE: To evaluate the relationship of neuropsychological performance and white matt ...
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Journal ArticleDement Geriatr Cogn Disord · 2010
BACKGROUND: The APOE epsilon4 allele is an established risk factor for Alzheimer's disease, but reports of its association with vascular dementia (VaD) have been inconsistent. We examined the relationship between APOE epsilon4 allele and the risk of incide ...
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Journal ArticleJ Alzheimers Dis · 2010
Alzheimer's disease is a complex and progressive neurodegenerative disease leading to loss of memory, cognitive impairment, and ultimately death. To date, six large-scale genome-wide association studies have been conducted to identify SNPs that influence d ...
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Journal ArticleAnnual Review of Gerontology and Geriatrics · January 1, 2010
Inheritance appears to play a strong role in terms of human longevity and also in risk for chronic neurodegenerative diseases of late life such as Alzheimer's disease (AD). Understanding the role of genes in normal biological aging of the nervous system an ...
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Journal ArticleArch Neurol · November 2009
OBJECTIVE: To evaluate the influences of a family history of Alzheimer dementia (FHxAD) and the apolipoprotein E epsilon4 genotype (APOE epsilon4) on cognitive decline. DESIGN, SETTING, AND PARTICIPANTS: Residents of Cache County, Utah, aged 65 years or ol ...
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Journal ArticlePLoS One · October 16, 2009
Genetic variability across the SNCA locus has been repeatedly associated with susceptibility to sporadic Parkinson's disease (PD). Accumulated evidence emphasizes the importance of SNCA dosage and expression levels in PD pathogenesis. However whether genet ...
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Journal ArticleInt J Geriatr Psychiatry · October 2009
OBJECTIVE: The objective of the current study was to examine the relationship between the COMT Val(158)Met polymorphism and neuropsychological performance in depressed and nondepressed older adults. METHODS: One hundred and twenty-six clinically depressed ...
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Journal ArticleJ Gerontol B Psychol Sci Soc Sci · September 2009
Applying Rusbult's investment model of dyadic relationships, we examined the effect of caregiver-care recipient relationship closeness (RC) on cognitive and functional decline in Alzheimer's disease. After diagnosis, 167 participants completed up to six vi ...
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Journal ArticleNeurotoxicology · September 2009
Considerable progress has been made over the past couple of decades concerning the molecular bases of neurobehavioral function and dysfunction. The field of neurobehavioral genetics is becoming mature. Genetic factors contributing to neurologic diseases su ...
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Journal ArticleJ Neuropathol Exp Neurol · April 2009
We previously found that vascular smooth muscle actin (SMA) is reduced in the brains of patients with late stage Alzheimer disease (AD) compared with brains of nondemented, neuropathologically normal subjects. To assess the pathogenetic significance and di ...
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Journal ArticleInt J Geriatr Psychiatry · March 2009
OBJECTIVE: The goal of the current study was to examine the neuropsychological profile of magnetic resonance imaging (MRI)-defined subcortical ischemic depression (SID). METHODS: Clinically depressed older adults with MRI-defined SID (n = 70) and depressed ...
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Journal ArticleClin Neuropsychol · January 2009
The Cache County Study of Memory in Aging (CCMS) is an epidemiological study of Alzheimer's disease (AD), mild cognitive disorders, and aging in a population of exceptionally long-lived individuals (7th to 11th decade). Observation of population members wi ...
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Journal ArticlePLoS Biol · December 23, 2008
Numerous genome-wide screens for polymorphisms that influence gene expression have provided key insights into the genetic control of transcription. Despite this work, the relevance of specific polymorphisms to in vivo expression and splicing remains unclea ...
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Journal ArticleAm J Geriatr Psychiatry · November 2008
BACKGROUND: Evidence suggests that cardiovascular medications, including statins and antihypertensive medications, may delay cognitive decline in patients with Alzheimer dementia (AD). We examined the association of cardiovascular medication use and rate o ...
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Journal ArticleAm J Geriatr Psychiatry · September 2008
UNLABELLED: Depression is often associated with neurocognitive deficits in older adults, particularly in the domains of information processing speed, episodic memory, and executive functions. Greater neurocognitive dysfunction while depressed is associated ...
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Journal ArticleAm J Med Genet B Neuropsychiatr Genet · July 5, 2008
Historically, data for genetic studies are collected at one time point. However, for diseases with late onset or with complex phenotypes, such as Alzheimer disease (AD), restricting diagnosis to a single ascertainment contact may not be sufficient. Affecti ...
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Journal ArticleNeurology · June 10, 2008
INTRODUCTION: Observational studies show reduced incidence of Alzheimer dementia (AD) in users of nonsteroidal anti-inflammatory drugs (NSAIDs). One hypothesis holds that the subset of NSAIDs known as selective A beta(42)-lowering agents (SALAs) is respons ...
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Journal ArticleBrain Inj · June 2008
PRIMARY OBJECTIVE: Event-related, functional magnetic resonance imaging (fMRI) data were acquired in healthy participants during purposefully malingered and normal recognition memory performances to evaluate the neural substrates of feigned memory impairme ...
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Journal ArticleInt Psychogeriatr · June 2008
OBJECTIVE: To examine, in an exploratory analysis, the association between vascular conditions and the occurrence of neuropsychiatric symptoms (NPS) in a population-based sample of incident Alzheimer's disease (AD). METHODS: The sample consisted of 254 par ...
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Journal ArticleAlzheimers Dement · May 2008
Studies have shown less cognitive decline and lower risk of Alzheimer's disease in elderly individuals consuming either antioxidant vitamins or nonsteroidal anti-inflammatory drugs (NSAIDs). The potential of added benefit from their combined use has not be ...
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Journal ArticleJ Gerontol B Psychol Sci Soc Sci · May 2008
We examined the relation between church attendance, membership in the Church of Jesus Christ of Latter-Day Saints (LDS), and major depressive episode, in a population-based study of aging and dementia in Cache County, Utah. Participants included 2,989 nond ...
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Journal ArticleJ Int Neuropsychol Soc · May 2008
The regional distribution of degeneration of the corpus callosum (CC) in dementia is not yet clear. This study compared regional CC size in participants (n = 179) from the Cache County Memory and Aging Study. Participants represented a range of cognitive f ...
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Journal ArticleAlzheimers Dement · March 2008
The Consortium to Establish a Registry for Alzheimer's Disease (CERAD) was funded by the National Institute on Aging in 1986 to develop standardized, validated measures for the assessment of Alzheimer's disease (AD). The present report describes the measur ...
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Journal ArticleNeuropsychol Dev Cogn B Aging Neuropsychol Cogn · March 2008
The neuropsychological test scores of 2030 cognitively normal older adults were examined to evaluate performance patterns as they related to time of day (TOD) at which testing was initiated. Multiple regression analyses were used to examine the association ...
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Journal ArticleInt J Geriatr Psychiatry · February 2008
BACKGROUND: Neuropsychiatric symptoms are nearly universal in dementia, yet little is known about their longitudinal course in the community. OBJECTIVE: To estimate point and 5-year period prevalence of neuropsychiatric symptoms in an incident sample of 40 ...
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Journal ArticlePLoS Biology · 2008
Numerous genome-wide screens for polymorphisms that influence gene expression have provided key insights into the genetic control of transcription. Despite this work, the relevance of specific polymorphisms to in vivo expression and splicing remains unclea ...
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Journal ArticleJ Neuropathol Exp Neurol · December 2007
The Bryan Alzheimer Disease Research Center obtains postmortem human brain tissue from patients with Alzheimer disease (AD) and cognitively normal control subjects for molecular and genetic research programs. A growing body of research suggests that variat ...
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Journal ArticleNeurology · November 6, 2007
BACKGROUND: While there is considerable epidemiologic evidence that cardiovascular risk factors increase risk of incident Alzheimer disease (AD), few studies have examined their effect on progression after an established AD diagnosis. OBJECTIVE: To examine ...
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Journal ArticleAm J Geriatr Psychiatry · October 2007
OBJECTIVE: Several studies suggest that depression is a risk factor for development of dementia in the elderly. In a study of older depressed individuals, the authors examined both neuroimaging and genetic factors in development of dementia. The authors hy ...
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Journal ArticleNeuropsychopharmacology · October 2007
Poor task persistence is often observed among depressed individuals, and may be associated with some of the same frontal regions that are involved in depression. The current study explored the association between white-matter lesion volume in prefrontal co ...
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Journal ArticleNeurology · July 17, 2007
BACKGROUND: Epidemiologic studies have suggested that nonsteroidal anti-inflammatory drugs (NSAIDs) may be useful for the prevention of Alzheimer disease (AD). By contrast, clinical trials have not supported NSAID use to delay or treat AD. Few studies have ...
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Journal ArticleJ Clin Exp Neuropsychol · July 2007
Atrophy of specific, regional, and generalized brain structures occurs as a result of the Alzheimer's disease (AD) process. Comparing AD patients with histopathological confirmation of the disease at autopsy to those without autopsy but who were clinically ...
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Journal ArticleAm J Geriatr Psychiatry · May 2007
OBJECTIVES: The objectives of this study are to describe the distribution of apathy in community-based older adults and to investigate its relationships with cognition and day-to-day functioning. METHODS: Data from the Cache County Study on Memory, Health ...
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Journal ArticleJ Am Geriatr Soc · April 2007
OBJECTIVES: To better understand the nature of informed consent encounters for research involving patients with dementia that requires proxy consent. DESIGN: Audiotaping of informed-consent encounters for a study of genetic markers for sporadic Alzheimer's ...
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Journal ArticleAm J Med · February 2007
PURPOSE: A recent meta-analysis reported increased mortality in clinical trial participants randomized to high-dose vitamin E. We sought to determine whether these mortality risks with vitamin E reflect adverse consequences of its use in the presence of ca ...
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Journal ArticleInt Psychogeriatr · February 2007
BACKGROUND: Cognitive impairment often occurs with geriatric depression and impairments may persist despite remission of depression. Although clinical definitions of mild cognitive impairment (MCI) have typically excluded depression, a neuropsychological m ...
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Journal ArticleJ Nutr Health Aging · 2007
OBJECTIVE: We prospectively examined associations between intakes of antioxidants (vitamins C, vitamin E, and carotene) and cognitive function and decline among elderly men and women of the Cache County Study on Memory and Aging in Utah. PARTICIPANTS AND D ...
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Journal ArticleActa Neuropathol · January 2007
We performed a comparative study to assess cerebral amyloid angiopathy and ApoE genotype in cases of Alzheimer's disease (AD). Ten ApoE 3,3 and ten ApoE 4,4 AD brains, as well as ten normal control brains, were selected after matching for age, sex, and dur ...
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Journal ArticleGenome Biol · 2007
BACKGROUND: Alternative gene transcript splicing permits a single gene to produce multiple proteins with varied functions. Bioinformatic investigations have identified numerous splice variants, but whether these transcripts are translated to functional pro ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2007
The National Alzheimer's Coordinating Center (NACC) is responsible for developing and maintaining a database of participant information collected from the 29 Alzheimer's Disease Centers (ADCs) funded by the National Institute on Aging (NIA). The NIA appoin ...
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Journal ArticleTwin Res Hum Genet · December 2006
The Duke Twins Study of Memory in Aging is an ongoing, longitudinal study of cognitive change and dementia in the population-based National Academy of Sciences-National Research Council (NAS-NRC) Twin Registry of World War II Male Veterans. The primary goa ...
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Journal ArticleInt J Geriatr Psychiatry · September 2006
OBJECTIVE: To investigate the probability of individual neuropsychiatric symptoms in dementia patients as a function of eight risk factors. METHODS: In the Cache County Study, we administered the Neuropsychiatric Inventory (NPI) to 328 dementia patients at ...
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Journal ArticleLancet · August 19, 2006
Millions of individuals with coronary artery or valvular heart disease have been given a new chance at life by heart surgery, but the potential for neurological injury is an Achilles heel. Technological advancements and innovations in surgical and anaesthe ...
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Journal ArticleNeurobiol Aging · August 2006
We previously reported a linkage region on chromosome 10q for age-at-onset (AAO) of Alzheimer (AD) and Parkinson (PD) diseases. Glutathione S-transferase, omega-1 (GSTO1) and the adjacent gene GSTO2, located in this linkage region, were then reported to as ...
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Journal ArticleNeurology · July 25, 2006
OBJECTIVE: To examine 3-year rates of conversion to dementia, and risk factors for such conversion, in a population-based sample with diverse types of cognitive impairment. METHODS: All elderly (aged 65 or older) residents of Cache County, UT, were invited ...
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Journal ArticleNeurology · July 11, 2006
BACKGROUND: Previous linkage studies have shown that chromosome 12 harbors susceptibility genes for late-onset Alzheimer disease (LOAD). However, association studies of several candidate genes on this chromosome region have produced ambiguous results. A re ...
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Journal ArticleAlzheimers Dement · July 2006
The Cache County Study of Memory, Health, and Aging, more commonly referred to as the "Cache County Memory Study (CCMS)" is a longitudinal investigation of aging and Alzheimer's disease (AD) based in an exceptionally long-lived population residing in north ...
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Journal ArticleClin Genet · July 2006
Evidence suggests that vascular and inflammatory factors may be important in the etiology of Alzheimer disease (AD). The Glu/Glu genotype at the Glu298Asp variant of the endothelial nitric oxide synthase (NOS3) gene has been tested for association with AD ...
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Journal ArticleNeurogenetics · July 2006
Previous linkage studies have suggested that chromosome 12 may harbor susceptibility genes for late-onset Alzheimer disease (LOAD). No risk genes on chromosome 12 have been conclusively identified yet. We have reported that the linkage evidence for LOAD in ...
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Journal ArticleBiol Psychiatry · July 1, 2006
BACKGROUND: A number of studies have examined clinical factors linked to worse neuropsychological performance in late life depression (LLD). To understand the influence of LLD on cognition, it is important to determine if deficits in a number of cognitive ...
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Journal ArticleInt J Geriatr Psychiatry · June 2006
BACKGROUND: The relationship between coronary artery bypass graft (CABG) surgery and cognitive decline remains uncertain, in particular with regard to whether there is delayed cognitive decline associated with this procedure. METHODS: This was a population ...
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Journal ArticleArch Neurol · May 2006
BACKGROUND: Recent reports suggest that antihypertensive (AH) medications may reduce the risk of dementing illnesses. OBJECTIVES: To examine the relationship of AH medication use with incidence of Alzheimer disease (AD) among the elderly population (aged 6 ...
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Journal ArticleJ Gerontol B Psychol Sci Soc Sci · May 2006
We examined the relation between religious involvement, membership in the Church of Jesus Christ of Latter-Day Saints, and major depression in a population-based study of aging and dementia in Cache County, Utah. Participants included 4,468 nondemented ind ...
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Journal ArticleAm J Med Genet B Neuropsychiatr Genet · April 5, 2006
Alzheimer disease (AD) is heterogeneous and complex with a strong genetic diathesis. It is the most common cause of dementia affecting the elderly. Linkage studies [Kehoe et al., 1999; Hum Mol Genet 8: 237-245]; [Pericak-Vance et al., 2000; Exp Gerontol 35 ...
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Journal ArticleAm J Med Genet B Neuropsychiatr Genet · March 5, 2006
Susceptibility genes for Alzheimer's disease are proving to be highly challenging to detect and verify. Population heterogeneity may be a significant confounding factor contributing to this difficulty. To increase the power for disease susceptibility gene ...
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Journal ArticleBMC Med Genet · March 3, 2006
BACKGROUND: Population heterogeneity may be a significant confounding factor hampering detection and verification of late onset Alzheimer's disease (LOAD) susceptibility genes. The Amish communities located in Indiana and Ohio are relatively isolated popul ...
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Journal ArticleAm J Geriatr Psychiatry · March 2006
OBJECTIVE: Estimates of incidence of late-life depression vary greatly with few studies excluding demented cases through in-depth evaluation and most studies failing to control for the effect of mortality and interval treatment. In a large population-based ...
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Journal ArticleJ Am Geriatr Soc · February 2006
OBJECTIVES: To document the extent of healthy aging along 10 different dimensions in a population known for its longevity. DESIGN: A cohort study with baseline measures of overall self-reported health and health along 10 specific dimensions; analyses inves ...
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Journal ArticleArch Gen Psychiatry · February 2006
CONTEXT: The public health implications of depression and cognitive impairment in late life are enormous. Cognitive impairment and late-life depression are associated with increased risk for subsequent dementia; however, investigations of these phenomena a ...
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Chapter · January 1, 2006
Department of Psychiatry and Joseph and Kathleen Bryan Alzheimer’s Disease Research Center-Division of Neurology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, U.S.A. Neuropsychological assessment plays an important part i ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2006
Vascular risk factors for Alzheimer disease (AD) and vascular dementia (VaD) have been evaluated; however, few studies have compared risks by dementia subtypes and sex. We evaluated relationships between cardiovascular risk factors (hypertension, high chol ...
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Journal ArticleJ Neuropsychiatry Clin Neurosci · 2006
The authors hypothesized that older depressed patients would perform more poorly on the Ascending Digits Task (ADT) when matched against a nondepressed elderly comparison group. In a novel measure, the ADT, 129 older depressives scored more poorly than 129 ...
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Journal ArticleAlzheimers Dement · January 2006
BACKGROUND: Studies of dementia in populations avoid many of the selection biases in clinical samples but require special evaluation and diagnostic methods to obtain high participation rates. To address this issue, we developed a unique in-home dementia as ...
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Journal ArticleHum Mol Genet · January 1, 2006
Paraoxonase is an arylesterase enzyme that is expressed in the liver and found in the circulation in association with apoA1 and the high-density lipoprotein, and prevents the accumulation of oxidized lipids in low-density lipoproteins in vitro. Common poly ...
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Journal ArticleHum Genet · October 2005
Old Order Amish, founded by a small number of Swiss immigrants, exist in culturally isolated communities across rural North America. The consequences of genetic isolation and inbreeding within this group are evident by increased frequencies of many monogen ...
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Journal ArticleAm J Geriatr Psychiatry · August 2005
OBJECTIVE: Authors investigated medical comorbidity in persons with dementia and "Cognitive Impairment, No Dementia" (CIND). METHODS: The Cache County Study is an ongoing population-based study of the epidemiology of dementia, the risk factors for conversi ...
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Journal ArticleAlzheimers Dement · July 2005
BACKGROUND: It is unclear whether vascular dementia (VaD) has a cognitive prodrome, akin to the mild cognitive impairment (MCI) prodrome to Alzheimer's dementia (AD). To evaluate whether VaD has a cognitive prodrome, and if it can be differentiated from pr ...
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Journal ArticleJ Am Geriatr Soc · June 2005
OBJECTIVES: To evaluate the association between apolipoprotein E (apo E) epsilon4 and mortality, the population attributable risk for mortality with epsilon4, and relative contributions of cardiovascular disease (CVD) and Alzheimer's disease (AD). DESIGN: ...
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Journal ArticleNeurosci Lett · May 13, 2005
Apolipoprotein E (APOE) is the only universally confirmed susceptibility gene for late-onset Alzheimer disease (LOAD), although many loci are believed to modulate LOAD risk. The genetic homogeneity of isolated populations, such as the Amish, potentially pr ...
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Journal ArticleArch Gen Psychiatry · February 2005
BACKGROUND: Prior reports suggest reduced occurrence of dementia and Alzheimer disease (AD) in statin users, but, to our knowledge, no prospective studies relate statin use and dementia incidence. OBJECTIVE: To examine the association of statin use with bo ...
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Journal ArticleNeuropsychologia · 2005
Perceptual priming for emotionally-negative and neutral scenes was tested in early-stage Alzheimer's disease (AD) patients and healthy younger, middle-aged and older adults. In the study phase, participants rated the scenes for their arousal properties. In ...
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Journal ArticleCare Manag J · 2005
There are several population-based studies of aging, memory, and dementia being conducted worldwide. Of these, the Cache County Study on Memory, Health and Aging is noteworthy for its large number of "oldest-old" members. This study, which has been followi ...
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Journal ArticleNeurology · December 28, 2004
BACKGROUND: Research regarding long-term cognitive outcome following coronary artery bypass graft (CABG) is inconsistent, which may be due in part to differential genetic and environmental influences within most study samples. METHODS: The authors examined ...
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Journal ArticleJ Geriatr Psychiatry Neurol · December 2004
A methodology is presented for following a cohort of older depressed patients to examine neurocognitive outcomes of depression. A total of 265 depressed individuals and 138 healthy, nondepressed controls age 60 and older who completed at least 1 year of fo ...
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Journal ArticleNeurogenetics · December 2004
Several recent case-control studies have examined the association between single nucleotide polymorphisms (SNPs) in the promoter region of the apolipoprotein E gene (APOE) and risk of Alzheimer disease (AD), with conflicting results. We assessed the relati ...
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Journal ArticleBehav Neurosci · October 2004
Fear conditioning has provided a useful model system for studying associative emotional learning, but the impact of healthy aging has gone relatively unexplored. The present study investigated fear conditioning across the adult life span in humans. A delay ...
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Journal ArticleNeurosci Lett · July 15, 2004
We examined the association of mtDNA variation with Alzheimer disease (AD) risk in Caucasians (989 cases and 328 controls) testing the effect of individual haplogroups and single nucleotide polymorphisms (SNPs). Logistic regression analyses were used to as ...
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Journal ArticleJ Neuropathol Exp Neurol · July 2004
We analyzed smooth muscle actin (SMA) immunoreactivity in brain blood vessels of 10 ApoE 4,4 Alzheimer disease (AD) patients and 10 ApoE 3,3 AD patients matched for age, sex, and duration of dementia. We also examined 10 cognitively and neuropathologically ...
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Journal ArticleJ Int Neuropsychol Soc · May 2004
There are several magnetic resonance (MR) imaging methods to measure brain volume and cerebral atrophy; however, the best measure for examining potential relationships between such measures and neuropsychological performance has not been established. Relat ...
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Journal ArticleNeurology · April 13, 2004
OBJECTIVE: To examine the relative risk and population attributable risk (PAR) of death with dementia of varying type and severity and other risk factors in a population of exceptional longevity. METHODS: Deaths were monitored over 5 years using vital stat ...
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Journal ArticleArch Neurol · January 2004
BACKGROUND: Antioxidants may protect the aging brain against oxidative damage associated with pathological changes of Alzheimer disease (AD). OBJECTIVE: To examine the relationship between antioxidant supplement use and risk of AD. DESIGN: Cross-sectional ...
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Journal ArticleNeuropsychopharmacology · December 2003
Changes within the prefrontal cortex (PFC) have been associated with both mood disorders and with specific impairments in cognitive testing. The left PFC has been implicated in relational processing, that is, binding different pieces of information. We hyp ...
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OtherBr J Anaesth · November 2003
BACKGROUND: Aortic atheromatous disease is known to be associated with an increased risk of perioperative stroke in the setting of cardiac surgery. In this study, we sought to determine the relationship between cerebral microemboli and aortic atheroma burd ...
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Journal ArticleAm J Hum Genet · November 2003
Alzheimer disease (AD) is a complex disorder characterized by a wide range, within and between families, of ages at onset of symptoms. Consideration of age at onset as a covariate in genetic-linkage studies may reduce genetic heterogeneity and increase sta ...
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Journal ArticleNeuropsychology · July 2003
Neuropsychological, qualitative, and quantitative magnetic resonance imaging findings were examined in subjects with Alzheimer's disease (AD), non-AD dementia or mixed neuropsychiatric disorder, subjects characterized as mild/ambiguous, and controls, all w ...
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Journal ArticlePsychol Med · April 2003
BACKGROUND: The role of allelic variation in APOE, the genetic locus for apolipoprotein E, in geriatric depression is poorly understood. There are conflicting reports as to an association between the epsilon4 allele and depression in late life. METHOD: Usi ...
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Journal ArticlePsychosom Med · 2003
OBJECTIVE: To evaluate gender-related differences in quality of life (QOL) and cognitive function 1 year after coronary artery bypass surgery (CABG) after adjusting for known baseline differences. MATERIALS AND METHODS: Two hundred eighty patients (96 wome ...
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Journal ArticleJAMA · November 6, 2002
CONTEXT: Previous studies have shown a sex-specific increased risk of Alzheimer disease (AD) in women older than 80 years. Basic neuroscience findings suggest that hormone replacement therapy (HRT) could reduce a woman's risk of AD. Epidemiologic findings ...
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Journal ArticleJ Int Neuropsychol Soc · November 2002
We examined asymmetry of hippocampal volume as well as other temporal lobe structures (temporal lobe, temporal horn of the lateral ventricular system, parahippocampal and fusiform gyri) in 194 subjects from the Cache County, Utah study, with varying disord ...
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OtherAnesth Analg · July 2002
UNLABELLED: Renal dysfunction is common after coronary artery bypass graft (CABG) surgery. We have previously shown that CABG procedures complicated by stroke have a threefold greater peak serum creatinine level relative to uncomplicated surgery. However, ...
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Journal ArticleAm J Hum Genet · April 2002
To identify genes influencing age at onset (AAO) in two common neurodegenerative diseases, a genomic screen was performed for AAO in families with Alzheimer disease (AD; n=449) and Parkinson disease (PD; n=174). Heritabilities between 40%--60% were found i ...
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Journal ArticleNeuropsychiatry Neuropsychol Behav Neurol · March 2002
OBJECTIVES: To present a new version of the Modified Mini-Mental State Examination (3MS-R), provide normative information extending to individuals in the 10th decade, and examine the effects of demographic variables on test performance. BACKGROUND: The Mod ...
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Journal ArticleAm J Geriatr Psychiatry · 2002
The authors investigated the role of baseline hippocampal volume on later clinical emergence of dementia in a group of older, non-demented depressed individuals. Subjects were 115 depressed, non-demented participants in a mental health clinical research ce ...
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Journal ArticleNeurobiol Aging · 2002
The purpose of the study was to determine whether there are chemosensory and neuropsychological changes that predate the onset of Alzheimer's disease in individuals at enhanced risk of developing the condition. To study this question, a unique sample of in ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2002
OBJECTIVES: To evaluate the efficacy of nizatidine, a histamine H2-blocking drug, in delaying the progression of cognitive impairment in older adults with Alzheimer disease (AD). DESIGN: A one-year, randomized, double-blind, placebo-controlled trial. PARTI ...
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Journal ArticleNeurology · December 26, 2001
OBJECTIVE: To examine the association between postmenopausal hormone replacement therapy (HRT) and the trajectory of global cognitive change with age. METHODS: The Modified Mini-Mental State Examination (MMSE) was administered to a population sample of 2,0 ...
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Journal ArticleJAMA · November 7, 2001
CONTEXT: Deficits in cerebral glucose utilization have been identified in patients with cognitive dysfunction attributed to various disease processes, but their prognostic and diagnostic value remains to be defined. OBJECTIVE: To assess the sensitivity and ...
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Journal ArticleJ Am Geriatr Soc · August 2001
We examined the proxy decision-making and informed consent processes for clinical research involving 49 patient-subjects with dementia in an outpatient setting by performing serial in-depth, structured, open-ended telephone interviews. Interviews were tape ...
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Journal ArticleNeuropsychological Rehabilitation · July 30, 2001
This study was a preliminary investigation of the effects of a Memory and Coping Program among mild to moderate dementia patients. A total of 24 elderly participants were randomly assigned to treatment and waiting-list control conditions. A pre-test, post- ...
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Journal ArticleJ Nucl Med · November 2000
UNLABELLED: The purpose of this study was to confirm with pathologic verification 2 beliefs related to Alzheimer's disease (AD): (a) the long-standing impression that bilateral temporo-parietal hypometabolism, as noted on FDG PET imaging, is the metabolic ...
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Journal ArticleNeurology · October 24, 2000
BACKGROUND: The association between antecedent head injury and AD is inconsistent. OBJECTIVE: To examine the association between early adult head injury, as documented by military hospital records, and dementia in late life; and to evaluate the interaction ...
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Journal ArticleArch Gen Psychiatry · June 2000
BACKGROUND: Previous estimates of the prevalence of geriatric depression have varied. There are few large population-based studies; most of these focused on individuals younger than 80 years. No US studies have been published since the advent of the newer ...
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Journal ArticleNeurology · March 28, 2000
OBJECTIVE: To validate a neuropsychological algorithm for dementia diagnosis. METHODS: We developed a neuropsychological algorithm in a sample of 1,023 elderly residents of Cache County, UT. We compared algorithmic and clinical dementia diagnoses both base ...
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Journal ArticleNeurology · February 8, 2000
OBJECTIVE: To examine the independent effects of the APOE genotype (APOE) and concordance for AD in twin pairs on the occurrence of AD in first-degree relatives. BACKGROUND: Studies of twins have been undertaken to investigate the influence of genes in a v ...
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Journal ArticleNeuropsychiatry Neuropsychol Behav Neurol · January 2000
OBJECTIVE: The goal of this study was to examine the convergent validity of informant-rated changes in depressive and related personality traits with clinician-assessed depression in memory-disordered patients. BACKGROUND: Depressive symptoms are frequent ...
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Journal ArticleAlzheimer Dis Assoc Disord · 2000
Multiple studies of individuals with Alzheimer disease have substantiated significant levels of informant-rated change in several domains and facets of the Neuroticism-Extraversion-Openness Personality Inventory, including increases in Neuroticism and decr ...
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Journal ArticlePostgrad Med · October 15, 1999
Improved understanding of neurobehavior in normal aging, Alzheimer's disease, and late-life depression makes early detection of neurodegenerative conditions possible. Primary care physicians can screen patients' mental status and mood states with simple in ...
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Journal ArticleNeuropsychiatry Neuropsychol Behav Neurol · October 1999
OBJECTIVE: To examine the concurrent validity of a newly developed telephone adaptation of the Modified Mini-Mental State Exam. BACKGROUND: Longitudinal studies of cognition may be advantaged by availability of assessment instruments that can be used over ...
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Journal ArticleJ Am Geriatr Soc · October 1999
OBJECTIVE: To examine the association between history of postmenopausal estrogen use and cognitive function in a large sample of nondemented community-dwelling older women. SETTING: A community of older residents in Cache County, Utah. PARTICIPANTS: A tota ...
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Journal ArticleJ Neuropathol Exp Neurol · August 1999
Frontotemporal dementia with parkinsonism (FTDP-17) is an autosomal dominant disorder that presents clinically with dementia, extrapyramidal signs, and behavioral disturbances in mid-life and progresses to death within 5 to 10 years. Pathologically, the di ...
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Journal ArticleNeurology · July 22, 1999
OBJECTIVE: To examine the prevalence of Alzheimer's disease (AD) and other dementias in relation to age, education, sex, and genotype at APOE. Recent studies suggest age heterogeneity in the risk of AD associated with the APOE genotype and a possible inter ...
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Journal ArticleNeurology · June 10, 1999
OBJECTIVE: To compare the clinical, neuropsychological, and neuropathologic findings in patients with AD alone with those in patients with the Lewy body variant of AD (LBV). BACKGROUND: Prior studies indicate that patients with LBV not only have distinct c ...
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Journal ArticleArch Clin Neuropsychol · May 1999
The naming impairments in Alzheimer's disease (AD) have been attributed to a variety of cognitive processing deficits, including impairments in semantic memory, visual perception, and lexical access. To further understand the underlying biological basis of ...
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Journal ArticleBehav Res Methods Instrum Comput · February 1999
Methods for automated stimulus display and accurate response time measurement with IBM-compatible PCs are of great importance in cognitive research designs. Accurate measurements of reaction times are required to interpolate other measures, such as speed o ...
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Journal ArticleDevelopmental Neuropsychology · January 1, 1999
This experiment addressed the issue of whether the changes in semantic memory performance associated with Alzheimer's disease (AD) could be distinguished from a generalized cognitive slowing. Young adults, healthy older adults, and AD patients performed 3 ...
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Journal ArticleJ Neuropathol Exp Neurol · December 1998
The presence of diffuse or primitive senile plaques in the neocortex of cognitively normal elderly at autopsy has been presumed to represent normal aging. Alternatively, these patients may have developed dementia and clinical Alzheimer disease (AD) if they ...
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Journal ArticleBiol Psychiatry · October 1, 1998
BACKGROUND: Depressive symptoms are frequent complications of Alzheimer's disease (AD). We hypothesized that AD patients with depression would be more likely than nondepressed AD patients to show deep white-matter, subcortical gray-matter, and periventricu ...
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Journal ArticleNeurosci Lett · July 3, 1998
The alpha1-antichymotrypsin (AACT)-155 allele was found elsewhere to have a significant effect on Alzheimer disease (AD) risk in individuals with at least one APOE-4 allele. We compared AACT genotypes of 284 cases of sporadic AD and 172 controls. The frequ ...
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Journal ArticleNeurology · July 1998
OBJECTIVE: To study the relation between cerebral infarction and clinical and neuropsychologic manifestations in patients with autopsy-proven Alzheimer's disease (AD) enrolled in the Consortium to Establish a Registry for Alzheimer's Disease (CERAD). BACKG ...
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Journal ArticleNeurology · July 1998
We compared the progression of Alzheimer's disease (AD) in CERAD-enrolled black and white patients, as indicated by changes in selected clinical and neuropsychology measures, over a 1-year time interval. Of 225 black and 935 white AD patients who were enro ...
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Journal ArticleGenomics · April 15, 1998
Using the direct identification of repeat expansion and cloning technique, we cloned a novel long CAG/CTG trinucleotide repeat on chromosome 17. Using radiation hybrid panels, the CAG/CTG repeat was mapped to chromosome 17q. The CAG/CTG repeat is highly po ...
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Journal ArticleAlzheimer Dis Assoc Disord · March 1998
The epsilon4 allele at APOE, the polymorphic locus for apolipoprotein E, increases the risk of Alzheimer disease (AD), especially among those with the homozygous epsilon4/epsilon4 genotype. In family studies, epsilon4 homozygotes typically develop AD at 55 ...
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Journal ArticleAnn Neurol · September 1997
We evaluated the sensitivity, specificity, and predictive value of the apolipoprotein E (ApoE) epsilon4 allele for the neuropathological diagnosis of Alzheimer disease (AD) in a clinical series of well-characterized AD patients and controls followed longit ...
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Journal ArticleArch Pathol Lab Med · June 1997
OBJECTIVE: To develop a system for retrieving brain tissue within 1 hour after death in an effective and useful manner. DESIGN: Nurse clinicians were employed as study co-ordinators and were available to families 24 hours each day. SETTING: Autopsies were ...
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Journal ArticleBiol Psychiatry · April 15, 1997
A prior history of depression and the epsilon 4 allele of apolipoprotein E (APOE) have each been associated with development of Alzheimer's disease (AD). In a sample of 142 elderly twins from a large study of dementia, we examined the relation of major dep ...
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Journal ArticleNeurology · April 1997
We examined the relation of APOE-epsilon 4, hippocampal volume, and cognitive performance in ten pairs of cognitively normal twins who had a mean age of 62.5 years (SD = 7.8). There were no significant differences in neuropsychological measures of the grou ...
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Journal ArticleAm J Hum Genet · December 1996
Frontotemporal dementia is a behavioral disorder of insidious onset and variable progression. Clinically, its early features reflect frontal lobe dysfunction characterized by personality change, deterioration in memory and executive functions, and stereoty ...
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Journal ArticleAm J Psychiatry · October 1996
OBJECTIVE: Previous studies have suggested that geriatric inpatients with chronic schizophrenia manifest profound cognitive impairments. This study investigated how these cognitive impairments resemble those seen in degenerative dementing conditions. METHO ...
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Journal ArticleLancet · July 13, 1996
BACKGROUND: We aimed to determine the specificity, sensitivity, and predictive value of apolipoprotein E (APOE) genotyping in 67 consecutive patients with clinical diagnoses of sporadic Alzheimer's disease (AD) who underwent necropsy. METHODS: We studied p ...
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Journal ArticleInvest Radiol · June 1996
RATIONALE AND OBJECTIVES: Functional imaging studies such as 18F-fluoro-18-labeled-deoxyglucose-positron emission tomography (18FDG-PET) are being used increasingly in the evaluation of patients with dementia. The authors evaluate inter- and intraobserver ...
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Journal ArticleNeuropsychiatry Neuropsychology and Behavioral Neurology · April 1, 1996
We explored the inter-rater agreement and validity of diagnoses of Alzheimer's disease (AD) and other dementias made in an epidemiological study. A previously described protocol for cognitive screening and clinical assessment was applied to a large registr ...
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Journal ArticleNeurology · December 1995
Little information exists on the performance of black versus white patients with Alzheimer's disease on neuropsychological tests for dementia. In this study, we compared performance on the CERAD (Consortium to Establish a Registry for Alzheimer's Disease) ...
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Journal ArticleNeurology · August 1995
We evaluated the relation of education and intelligence in early adult life to cognitive function in a group of elderly male twins. The Army General Classification Test (AGCT) was administered to US armed forces inductees in the early 1940s. Fifty years la ...
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Journal ArticleArch Neurol · August 1995
OBJECTIVES: To detect cases of Alzheimer's disease (AD) in a large population of twins living throughout the United States and to examine concordance for AD in twins as a function of age and genotype for apolipoprotein E (APOE). SETTING: Nationwide survey. ...
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Journal ArticleJ Clin Exp Neuropsychol · August 1995
Rater reliability was evaluated for the system most widely used to assess copy and recall of the Rey Complex Figure: the Osterrieth (1944) 18-item scoring system. The study sample consisted of 95 subjects (49 males, 46 females), most of whom were elderly i ...
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Journal ArticleNeurobiol Aging · 1995
Factors that modify onset of Alzheimer's disease (AD) may be revealed by comparing environmental exposures in affected and unaffected members of discordant twin pairs or sibships. Among siblings at high risk of AD, sustained use of nonsteroidal anti-inflam ...
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Journal ArticlePsychiatr Serv · January 1995
Memory loss and other cognitive dysfunctions, although common in elderly persons, are not universal features of old age. Instead they herald the presence of various neuropsychiatric diseases, which are first recognized as syndromes. The two most common neu ...
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Journal ArticleEpidemiol Rev · 1995
In the search for cause or prevention of Alzheimer's disease, the traditional aims of analytic epidemiology have been hindered by several technical difficulties. The heterogeneous genetic influences on Alzheimer's disease have probably contributed substant ...
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Journal ArticleJ Am Geriatr Soc · December 1994
OBJECTIVE: To identify predictors of nonresponse in a community survey of cognitive status in the elderly. DESIGN: Cross-sectional community survey with two stages of recruitment: an initial, less-intensive method, followed by a more aggressive approach th ...
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Journal ArticleArch Neurol · December 1994
OBJECTIVE: Given the strong association of the apolipoprotein E (apoE) allele epsilon 4 with late-onset Alzheimer dementia or multi-infarct dementia, we tested whether normal older adult men with at least one epsilon 4 allele demonstrate subclinical change ...
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Journal ArticleArch Clin Neuropsychol · October 1994
The present Investigation examined the biological correlates of the cognitive deficits of Alzheimer's disease and related dementias using the neuropsychological assessment battery of the Consortium to Establish a Registry of Alzheimer's Disease (CERAD) and ...
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Journal ArticlePsychol Aging · September 1994
Caregivers of 26 patients with Alzheimer's disease (AD) rated current and premorbid personality patterns with the NEO Personality Inventory. Results replicated previous findings on the degree of change reported in a previous group of patients with mixed me ...
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Journal ArticleArch Neurol · September 1994
OBJECTIVE: To identify minimal sets of Mini-Mental State Examination (MMSE) items that can distinguish normal control subjects from patients with mild Alzheimer's disease (AD), patients with mild from those with moderate AD, and those with moderate from th ...
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Journal ArticleNeurology · April 1994
The neuropsychological tests developed for the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) are currently used to measure cognitive impairments of Alzheimer's disease (AD) in clinical investigations of this disorder. This report prese ...
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Journal ArticleNeurology · February 1994
We conducted a co-twin control study among 50 elderly twin pairs with onsets of Alzheimer's disease (AD) separated by 3 or more years. Twenty-three male pairs (46%) were screened from the (U.S.) National Academy of Sciences-National Research Council Regist ...
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Journal ArticleNeuropsychiatry Neuropsychology and Behavioral Neurology · January 1, 1994
We evaluated the utility of telephone screening for dementia in epidemiologic research by comparing performance on the modified Telephone Interview for Cognitive Status (TICS-m) with results from in-person neuropsychological measures in 67 elderly males. L ...
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Journal ArticleAlzheimer Dis Assoc Disord · 1994
Despite the need for minority subjects in research studies of Alzheimer disease (AD), the successful involvement of minority patients in such studies has been difficult. This report discusses the many societal, economic, logistical, and attitudinal barrier ...
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Journal ArticleDementia · 1994
Over 3 years we followed 8 pairs of male twins one or both of whom had suspected Alzheimer's disease (AD) including 'mild/ambiguous' changes suggestive of incident AD. These pairs were screened in 1988 and 1989 from 339 pairs in the (US) National Academy o ...
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Journal ArticleArch Neurol · June 1993
OBJECTIVE: To determine the contribution of genetic factors to cognitive functioning in older men. DESIGN: Cognitive testing by telephone interview in an epidemiologically defined population. PARTICIPANTS: 2077 monozygotic and 2225 dizygotic male twin pair ...
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Journal ArticleNeurology · February 1993
The causes of Alzheimer's disease (AD) remain a mystery despite the recent identification of several putative environmental risk factors and the discovery of several linked genetic loci and point mutations associated with the disease. Particularly uncertai ...
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Journal ArticleNeuropsychiatry Neuropsychology and Behavioral Neurology · January 1, 1993
Detection of dementia in large, geographically dispersed populations is difficult. Conventional in-person neuropsychological assessment techniques, no matter how brief, are too costly to be practical for this purpose. Telephone interviewing is an obvious a ...
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Journal ArticleNeuropsychology · January 1, 1993
To illustrate the utility of the twin method in Alzheimer's disease (AD) research, we studied in detail a pair of monozygotic twins concordant for the disease but markedly different in their clinical presentations. Neuropsychological evaluation, magnetic r ...
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Journal ArticleArch Neurol · May 1992
Our earlier studies using the Consortium to Establish a Registry of Alzheimer's Disease neuropsychological battery showed that delayed recall was a highly sensitive indicator of early Alzheimer's disease. None of the learning and memory measures in the bat ...
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Journal ArticleAm J Hum Genet · June 1991
A genetic component in the etiology of Alzheimer disease (AD) has been supported by indirect evidence for several years, with autosomal dominant inheritance with age-dependent penetrance being suggested to explain the familial aggregation of affecteds. St. ...
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Journal ArticleAm J Hum Genet · March 1991
Chromosome 21 markers were tested for linkage to familial Alzheimer disease (FAD) in 48 kindreds. These families had multiple cases of Alzheimer disease (AD) in 2 or more generations with family age-at-onset means (M) ranging from 41 to 83 years. Included ...
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Journal ArticleArch Neurol · March 1991
The present study was designed to determine which of the memory tasks included in the CERAD (Consortium to Establish a Registry for Alzheimer's Disease) neuropsychological battery best differentiate patients with early Alzheimer's disease from cognitively ...
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Journal ArticleAlzheimer Dis Assoc Disord · 1991
Caregivers of 35 mildly to moderately memory-impaired patients rated current and premorbid personalities with the NEO Personality Inventory. We then examined changes in the five domains of personality tapped by the NEO. There were significant changes in fo ...
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Journal ArticleMolecular Biology and Genetics of Alzheimer S Disease Proceedings of the International Symposium on Dementia Molecular Biology and Genetics of Alzheimer S Disease Ics884 · January 1, 1990Cite
Journal ArticleDementia and Geriatric Cognitive Disorders · January 1, 1990
The (US) National Academy of Sciences Registry of aging twin veterans contains 15.924 pairs of white male twins born between 1917 and 1927. About 8.000 pairs are living today. In preparation for a study of Alzheimer’s disease (AD) in this Registry, we inve ...
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Journal ArticleBehav Neural Biol · March 1987
Previous findings have revealed a correlation between post-training release of whole brain norepinephrine (NE) and later retention performance. The present experiment examined changes after a training footshock in NE levels, as well as the levels of the ma ...
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Journal ArticleBehav Neurosci · April 1986
Recent findings indicate that a single injection (ip) of epinephrine can proactively retard the development of amygdala-kindled seizures. In these experiments, these findings were extended by examining the dose and temporal properties of this phenomenon. R ...
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Journal ArticleBehav Neural Biol · March 1985
The results of previous studies indicate that the extent of a transient decline in brain norepinephrine (NE) levels shortly after training and administration of any of several memory modulating treatments is correlated with later retention performance. The ...
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Journal ArticleBehav Neural Biol · March 1984
Repeated daily electrical stimulation of the amygdala can lead to a progressive increase in brain and behavioral seizures. This phenomenon, termed kindling, has been viewed as a model for epileptogenesis. The results reported here demonstrate that a single ...
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Journal ArticleNeurobiol Aging · 1984
The responses of forebrain and brainstem catecholamine levels to a single footshock were studied in 70-day, one-year, and two-year-old Fischer-344 rats. Brain catecholamine concentrations were assessed 10 minutes after a single 2 second footshock (0, 0.3, ...
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