Overview
1) Epidemiological studies to examine the prevalence and incidence of dementia and cognitive impairment, not dementia (CIND)
2) Studies examining risk and protective factors for dementia and CIND
3) Behavioral genetics of aging and dementia with an emphasis on twin studies
4) Long term outcomes of traumatic brain injury
5) Oral health and cognition in later life
Current Appointments & Affiliations
Professor in Psychiatry and Behavioral Sciences
·
2021 - Present
Psychiatry & Behavioral Sciences, Behavioral Medicine & Neurosciences,
Psychiatry & Behavioral Sciences
Professor of Neurology
·
2020 - Present
Neurology, Behavioral Neurology,
Neurology
Faculty Network Member of the Duke Institute for Brain Sciences
·
2014 - Present
Duke Institute for Brain Sciences,
University Institutes and Centers
Recent Publications
Self-Reported Motor and Nonmotor Symptoms, Prodromal Parkinson's Disease Probability, and Incident Parkinson's Disease in US Farmers.
Journal Article Mov Disord · February 14, 2025 BACKGROUND: Few studies have assessed motor and nonmotor symptoms and the prodromal probability of Parkinson's disease (PD) among farming populations. OBJECTIVE: The aim was to assess self-reported nonmotor and motor symptoms and the prodromal PD probabili ... Full text Link to item CiteGenetic and environmental influences on alcohol consumption in middle to late life.
Journal Article Psychol Addict Behav · January 9, 2025 OBJECTIVE: Alcohol use is common in older adults and linked to poor health and aging outcomes. Studies have demonstrated genetic and environmental contributions to the quantity of alcohol consumption in mid-to-late life, but less is known about whether the ... Full text Link to item CiteGeriatrics-Focused vs Traditional Primary Care in the Veterans Affairs Health Care System.
Journal Article JAMA Netw Open · January 2, 2025 IMPORTANCE: Older adults often require specialized health care expertise, but the effects of geriatrics-focused models of primary care have not been fully evaluated. OBJECTIVE: To compare the effects of geriatrics-focused primary care vs traditional primar ... Full text Link to item CiteRecent Grants
National Health and Aging Trends Study
ResearchPrincipal Investigator · Awarded by Johns Hopkins University · 2019 - 2029Improving the lives of persons living with dementia and their families through person-centered measurement of home time
ResearchCo Investigator · Awarded by National Institutes of Health · 2021 - 2026Cognitive Training to Reduce Cognitive Impairment: The PACT Trial
ResearchPrincipal Investigator · Awarded by University of South Florida · 2021 - 2026View All Grants
Education, Training & Certifications
University of Arizona ·
1986
Ph.D.