Journal ArticleJASA Express Lett · February 1, 2026
For cochlear implant recipients with deeply inserted electrode arrays, pitch confusions are more prevalent among apical electrodes than among middle and basal electrodes. It was hypothesized that changing phase duration (PD) affects pitch evoked by electro ...
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Journal ArticleEar Hear · September 2024
People who are d/Deaf or hard of hearing (d/DHH) often experience stigma and discrimination in their daily lives. Qualitative research describing their lived experiences has provided useful, in-depth insights into the pervasiveness of stigma. Quantitative ...
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Journal ArticleHear Res · April 2024
Hearing loss affects 1.6 billion people worldwide and disproportionately affects those in low- and middle-income countries. Despite being largely preventable or treatable, ear and hearing conditions result in significant and lifelong morbidity such as dela ...
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Journal ArticleLancet Glob Health · February 2024
BACKGROUND: Hearing loss affects approximately 1·6 billion individuals worldwide. Many cases are preventable. We aimed to estimate the annual number of new hearing loss cases that could be attributed to meningitis, otitis media, congenital rubella syndrome ...
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Chapter · January 1, 2024
The design and performance of the present-day cochlear implants are described, as are the best uses of those implants and possibilities for improvements in design and performance. A detailed exposition is presented, to indicate the many considerations that ...
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Journal ArticleJ Gen Intern Med · February 2023
BACKGROUND: Hearing loss significantly impacts health-related quality of life (QoL), yet the effects of current treatments on QoL utility remain uncertain. Our objective was to describe the impact of untreated and treated hearing loss on QoL utility to inf ...
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Journal ArticleEClinicalMedicine · August 2022
BACKGROUND: There is no published decision model for informing hearing health care resource allocation across the lifespan in low- and middle-income countries. We sought to validate the Decision model of the Burden of Hearing loss Across the Lifespan Inter ...
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Journal ArticleJ Assoc Res Otolaryngol · June 2022
Use of artificial intelligence (AI) is a burgeoning field in otolaryngology and the communication sciences. A virtual symposium on the topic was convened from Duke University on October 26, 2020, and was attended by more than 170 participants worldwide. Th ...
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Journal ArticleEClinicalMedicine · February 2022
BACKGROUND: Hearing loss affects over 50% of people in the US across their lifespan and there is a lack of decision modeling frameworks to inform optimal hearing healthcare delivery. Our objective was to develop and validate a microsimulation model of hear ...
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Journal ArticleNature Machine Intelligence · October 1, 2021
The advances in artificial intelligence that are transforming many fields have yet to make an impact in hearing. Hearing healthcare continues to rely on a labour-intensive service model that fails to provide access to the majority of those in need, while h ...
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Journal ArticleEClinicalMedicine · May 2021
BACKGROUND: Hearing loss is a common and costly medical condition. This systematic review sought to identify evidence gaps in published model-based economic analyses addressing hearing loss to inform model development for an ongoing Lancet Commission. METH ...
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Journal ArticleIndian J Community Med · 2021
Difficulties of the hearing impaired have increased due to COVID-19, leading to lack of inclusiveness along with the breakdown of their mental, physical, and social health. The study objective was to assess the challenges faced by the deaf and hearing-impa ...
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Journal ArticleHear Res · August 2019
Many users of bilateral cochlear implants (BiCIs) localize sound sources less accurately than do people with normal hearing. This may be partly due to using two independently functioning CIs with fixed compression, which distorts and/or reduces interaural ...
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Journal ArticleAnnu Rev Neurosci · July 8, 2019
The modern cochlear implant (CI) is the most successful neural prosthesis developed to date. CIs provide hearing to the profoundly hearing impaired and allow the acquisition of spoken language in children born deaf. Results from studies enabled by the CI h ...
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Journal ArticleActa Otolaryngol · February 2019
BACKGROUND: Recent studies of cochlear implants (CIs) in profound unilateral hearing loss (UHL) patients have demonstrated a restoration of some binaural hearing. AIMS/OBJECTIVES: The objective was to evaluate three possible advantages of binaural hearing ...
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Journal ArticleTrends Hear · 2018
The hearing loss criterion for cochlear implant candidacy in mainland China is extremely stringent (bilateral severe to profound hearing loss), resulting in few patients with substantial residual hearing in the nonimplanted ear. The main objective of the c ...
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Chapter · January 1, 2018
The first cochlear implants (CIs) provided an awareness of environmental sounds and some assistance in speechreading (including lipreading), but no recognition of speech was possible with the CI alone. In contrast, modern CIs enable high levels of speech r ...
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Chapter · January 1, 2018
Highly useful hearing, including speech reception without any visual cues, can be reinstated or produced for the first time with a cochlear implant—a device that bypasses damaged or missing sensory hair cells in the cochleas of deaf or severely hearing-imp ...
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Journal ArticleLancet · December 2, 2017
In 2015, approximately half a billion people had disabling hearing loss, about 6·8% of the world's population. These numbers are substantially higher than estimates published before 2013, and point to the growing importance of hearing loss and global heari ...
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Journal ArticleWorld J Otorhinolaryngol Head Neck Surg · December 2017
BACKGROUND: The cochlear implant has become the standard of care for severe or worse losses in hearing and indeed has produced the first substantial restoration of a lost or absent human sense using a medical intervention. However, the devices are not perf ...
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Journal ArticleHear Res · May 2017
We have recently proposed a binaural cochlear implant (CI) sound processing strategy inspired by the contralateral medial olivocochlear reflex (the MOC strategy) and shown that it improves intelligibility in steady-state noise (Lopez-Poveda et al., 2016, E ...
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Journal ArticleIEEE Pulse · 2017
Even as recently as the mid-1980s, many experts in otology and auditory science thought that restoration of useful hearing with crude and pervasive electrical stimulation of the cochlea was a fool's dream. The esteemed Prof. Rainer Klinke from Frankfurt (F ...
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Journal ArticleJ Neurosci · May 4, 2016
UNLABELLED: Understanding the relationship between the auditory selectivity of neurons and their contribution to perception is critical to the design of effective auditory brain prosthetics. These prosthetics seek to mimic natural activity patterns to achi ...
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Journal ArticleEar Hear · 2016
OBJECTIVES: In natural hearing, cochlear mechanical compression is dynamically adjusted via the efferent medial olivocochlear reflex (MOCR). These adjustments probably help understanding speech in noisy environments and are not available to the users of cu ...
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Journal ArticleAdv Exp Med Biol · 2016
Our two ears do not function as fixed and independent sound receptors; their functioning is coupled and dynamically adjusted via the contralateral medial olivocochlear efferent reflex (MOCR). The MOCR possibly facilitates speech recognition in noisy enviro ...
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Journal ArticleOtol Neurotol · September 2015
INTRODUCTION: Cochlear implantation (CI) is a common intervention for severe-to-profound hearing loss in high-income countries, but is not commonly available to children in low resource environments. Owing in part to the device costs, CI has been assumed t ...
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Journal ArticleHear Res · April 2015
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The challenge in getting a decent signal to the brain for users of cochlear implants (CIs) is described. A breakthrough occurred in 1989 that later enabled most users to understand conversational speech with their restored hearing alone. Subsequent develop ...
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Journal ArticleJournal of Technology Transfer · February 1, 2012
A relatively simple method for ongoing retrospective valuations of intellectual property (IP) for the purpose of setting royalty rates is described. The method uses measureable variables that indicate directly the value of an IP to a licensee over time. Pr ...
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Book · 2012
A review by Prof. Mario Svirsky was published in the journal Ear and Hearing, vol. 35 2014 p. 137 and two additional published reviews are presented at https://www.pluralpublishing.com/publication_hcirrti.htm ...
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OtherSécurité routière et surdité · 2012
This article is a summary in French of the 2008 article in English by Wilson and Dorman published in Hearing Research. ...
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Journal ArticleSeminars in Hearing · February 28, 2011
Adult patients with bilateral cochlear implants report a significant gain in health-related quality of life relative to having a single cochlear implant. Gains are found in multiple domainsin this article, we focus on hearing and speech understanding. Ther ...
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Journal ArticleProg Brain Res · 2011
The cochlear implant (CI) is one of the great success stories of modern medicine. A high level of function is provided for most patients. However, some patients still do not achieve excellent or even good results using the present-day devices. Accumulating ...
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Journal ArticleOtol Neurotol · September 2010
OBJECTIVE: Evaluate the effectiveness of remote programming for cochlear implants. STUDY DESIGN: Retrospective review of the cochlear implant performance for patients who had undergone mapping and programming of their cochlear implant via remote connection ...
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Journal ArticleCochlear Implants Int · June 2010
The purposes of this paper are to (1) review briefly the experience to date with combined EAS for patients with some residual, low-frequency hearing; and (2) describe the further results that have been obtained with this combination for patients with highe ...
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Journal ArticleOtol Neurotol · January 2010
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BACKGROUND: Hearing loss (HL) and deafness are global issues that affect at least 278 million people worldwide. Two thirds of the people who have HL worldwide live in developing countries. Importantly, it is estimated that 50% of this HL can be prevented. ...
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Journal ArticleJ Am Acad Audiol · January 2010
OBJECTIVES: The purpose of this investigation was to determine if adult bilateral cochlear implant recipients could benefit from using a speech processing strategy in which the input spectrum was interleaved among electrodes across the two implants. DESIGN ...
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Book · 2009
Thoroughly updated for its Second Edition, this book provides an in-depth discussion on prosthetic restoration of hearing via implantation. ...
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Chapter · January 1, 2009
Functional hearing can be restored to patients with sensorineural deafness by means of multichannel electrodes implanted into the cochlea. Electrical stimulation from an implanted receiver bypasses the missing hair cells and excites action potentials direc ...
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Chapter · January 1, 2009
This chapter focuses on the use of electrical stimulation at the auditory nerve for returning a person from total deafness or a severe hearing loss to useful hearing. The principal cause of hearing loss is damage to or complete destruction of the sensory h ...
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Journal ArticleHear Res · August 2008
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The aims of this paper are to (i) provide a brief history of cochlear implants; (ii) present a status report on the current state of implant engineering and the levels of speech understanding enabled by that engineering; (iii) describe limitations of curre ...
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Journal ArticleEar Hear · January 2008
OBJECTIVE: Binaural hearing has been shown to support better speech perception in normal-hearing listeners than can be achieved with monaural stimulus presentation, particularly under noisy listening conditions. The purpose of this study was to evaluate wh ...
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Journal ArticleSensors Journal, IEEE · 2008
The cochlear implant is the most successful neural prosthesis to date and may serve as a paradigm for the development or further development of other systems to interface sensors with the nervous system, e.g., visual or vestibular prostheses. This paper tr ...
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Journal ArticleJ Rehabil Res Dev · 2008
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The cochlear implant is the most successful of all neural prostheses developed to date. It is the most effective prosthesis in terms of restoration of function, and the people who have received a cochlear implant outnumber the recipients of other types of ...
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Journal ArticleIEEE Trans Biomed Eng · June 2007
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The speech reception performance of a recipient of the Clarion CII implant was evaluated with a comprehensive set of tests. The same tests were administered for a group of six subjects with normal hearing. Scores for the implant subject were not different ...
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Journal ArticleIEEE Trans Biomed Eng · June 2007
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A simplified cochlear implant (CI) system would be appropriate for widespread use in developing countries. Here, we describe a CI that we have designed to realize such a concept. The system implements 8 channels of processing and stimulation using the cont ...
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Journal ArticleEar Hear · August 2005
Featured Publication
Two new approaches to the design of speech processors for cochlear implants are described. The first aims to represent "fine structure" or "fine frequency" information in a way that it can be perceived and used by patients, and the second aims to provide a ...
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OtherPout la Science · 2005
This article is a summary in French of the 2004 article in English by Dorman and Wilson published in the American Scientist. ...
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Journal ArticleAnnu Rev Biomed Eng · 2003
Featured Publication
The history of cochlear implants is marked by large improvements in performance, especially over the past two decades and especially due to the development of ever-better processing strategies. Although the progress to date has been substantial, present de ...
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Journal ArticleEar Hear · April 2002
OBJECTIVE: The purpose of this pilot study was to document speech perception and localization abilities in patients who use a cochlear implant in one ear and a hearing aid in the other ear. DESIGN: We surveyed a group of 111 cochlear implant patients and a ...
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Journal ArticleEar Hear · February 2002
OBJECTIVES: To evaluate possible binaural listening advantages for speech in quiet, speech in noise, and for localization in a group of postlingually deafened adults with two cochlear implants functioning independently after 3 mo experience. DESIGN: Nine p ...
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Journal ArticleHear Res · January 1999
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We describe a novel signal processing strategy for cochlear implants designed to emphasize stochastic independence across the excited neural population. The strategy is based on the observation that high rate pulse trains may produce random spike patterns ...
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Journal ArticleAm J Otol · November 1998
OBJECTIVE: This study aimed to assess, in one profoundly hearing impaired subject, potential benefits and limitations in placing bilaterally implanted scala tympani electrode arrays under control of a single speech processor. STUDY DESIGN: All available st ...
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Journal ArticleOtolaryngol Head Neck Surg · February 1998
Featured Publication
Widespread application of cochlear implants is limited by cost, especially in developing countries. In this article we present a design for a low-cost but effective cochlear implant system. The system includes a speech processor, four pairs of transmitting ...
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Journal ArticleThe American journal of otology · November 1997
ObjectiveTo record and characterize intracochlear evoked potentials (EPs) for a variety of electrical stimuli in studies with cochlear implant patients.MethodsRecordings were made with patients having direct percutaneous access to their i ...
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Journal ArticleAm J Otol · November 1997
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OBJECTIVE: To record and characterize intracochlear evoked potentials (EPs) for a variety of electrical stimuli in studies with cochlear implant patients. METHODS: Recordings were made with patients having direct percutaneous access to their implanted elec ...
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Journal ArticleAmerican Journal of Otology · November 1, 1997
Objective: To record and characterize intracochlear evoked potentials (EPs) for a variety of electrical stimuli in studies with cochlear implant patients. Methods: Recordings were made with patients having direct percutaneous access to their implanted elec ...
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Journal ArticleBr J Audiol · August 1997
Featured Publication
Remarkable progress has been made in recent years in the design and application of processing strategies for cochlear implants. Most notably, use of the new spectral peak (SPEAK) and continuous interleaved sampling (CIS) strategies have provided large impr ...
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Journal ArticleScand Audiol Suppl · 1997
Examples from several areas of cochlear implant research are presented, with emphasis on the continuous interleaved sampling (CIS) approach to speech processor design. Within-subject comparisons of such processors with the compressed analog (CA) approach o ...
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Journal ArticleAm J Otol · September 1995
Featured Publication
New strategies for representing acoustic information with multichannel cochlear implants have produced substantial improvements in speech recognition for implant users. This report reviews within-subject comparison of a new continuous interleaved sampling ...
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Journal ArticleJ Speech Hear Res · April 1993
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Within-subjects comparisons of processing strategies for cochlear implants are reviewed. Compressed analog strategies were compared to interleaved pulses strategies in tests with one group of 8 subjects, and to continuous interleaved sampling strategies in ...
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Journal ArticleProg Brain Res · 1993
Various strategies for representing speech information with multichannel cochlear prostheses were compared in tests with implant patients. The strategies included the compressed analog (CA) approach of a standard clinical device, and alternative interleave ...
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Journal ArticleJ Rehabil Res Dev · 1993
Two approaches for representing speech information with multichannel cochlear prostheses are being compared in tests with implant patients. Included in these studies are the compressed analog (CA) approach of a standard clinical device and research process ...
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Journal ArticleNature · July 18, 1991
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HIGH levels of speech recognition have been achieved with a new sound processing strategy for multielectrode cochlear implants. A cochlear implant system consists of one or more implanted electrodes for direct electrical activation of the auditory nerve, a ...
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Journal ArticleAm J Otol · 1991
Comparisons of analog and pulsatile coding strategies for multichannel cochlear prostheses are reviewed. The results are related to design considerations for pediatric implants, including efficacy, safety, ease of fitting, and access to future improvements ...
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Journal ArticleLaryngoscope · October 1988
Featured Publication
A wide variety of speech processing strategies for multichannel auditory prostheses were compared in studies of two patients implanted with the UCSF electrode array. Each strategy was evaluated using tests of vowel and consonant confusions, with and withou ...
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Journal ArticleJournal of Bioelectricity · January 1, 1985
Studies conducted by the authors and their coworkers on the mechanisms and physiologic significance of radiofrequency hearing effects are reviewed. Results of these studies demonstrate that thermoelastic expansion of fluids and structures within the inner ...
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Journal ArticleHear Res · 1985
When mounted on a swinging pendulum, mustache bats, Pteronotus p. parnellii, emit ultrasonic pulses as they move toward and away from fixed targets. During forward swings they systematically decrease the intensity of their emitted pulses and during backwar ...
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Journal ArticleJournal of Bioelectricity · 1985
Studies conducted by the authors and their coworkers on the mechanisms and physiologic significance of radiofrequency hearing effects are reviewed. Results of these studies demonstrate that thermoelastic expansion of fluids and structures within the inner ...
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Journal ArticleBrain Res · April 14, 1980
Autoradiographic maps of brain activity in rats exposed to pulsed or continuous-wave (CW) microwave radiation were made using [14C]2-deoxy-D-glucose ([14C]2-DG). Special emphasis was given to measurements of activity in the auditory system because previous ...
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Journal Article · 1977
After a discussion of tissue electrical properties and vascularity, the microwave source and applicator requirements are presented to optimize the differential heating of cancerous tissue embedded in normal tissue. A method for automatically and accurately ...
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