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Hearing aids

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Full-Text Articles in Communication Sciences and Disorders

Caring For Individuals Who Are Experiencing Homelessness: An Audiologist’S Toolkit, Jenna Marie Sparacio Jun 2023

Caring For Individuals Who Are Experiencing Homelessness: An Audiologist’S Toolkit, Jenna Marie Sparacio

Dissertations, Theses, and Capstone Projects

National-level counts for individuals experiencing homelessness have been steadily on the rise. People experiencing homelessness face extraordinary barriers and challenges in accessing health care services, including hearing healthcare. Additionally, there is a high prevalence of self- reported hearing difficulties and hearing handicap among people experiencing homelessness. Hearing loss status and management is often not prioritized in healthcare settings, and treatment plans are not typically modified to best address the hearing needs of individuals who are homeless. This evidence-based toolbox for audiologists was developed to help understand and mediate healthcare barriers that people experiencing homelessness face, as well as to help …


Hearing Healthcare Professionals’ Views About Over-The-Counter (Otc) Hearing Aids: Analysis Of Retrospective Survey Data, Vinaya Manchaiah, Anu Sharma, Hansapani Rodrigo, Abram Bailey, Karina C. De Sousa, De Wet Swanepoel Mar 2023

Hearing Healthcare Professionals’ Views About Over-The-Counter (Otc) Hearing Aids: Analysis Of Retrospective Survey Data, Vinaya Manchaiah, Anu Sharma, Hansapani Rodrigo, Abram Bailey, Karina C. De Sousa, De Wet Swanepoel

School of Mathematical and Statistical Sciences Faculty Publications and Presentations

Over-the-counter hearing aids have been available to consumers in the US since 17 October 2022 following a ruling by the Food and Drug Administration. However, their reception by hearing healthcare professionals (HHP) has been mixed, and concerns have been expressed by many HHPs. The aim of this study was to examine the concerns that HHPs have towards over-the-counter (OTC) hearing aids. The study used a retrospective survey design. The survey data of HHPs (n = 730) was obtained from Hearing Tracker. A 22-item structured questionnaire was administered using a Question Scout platform. Descriptive analyses examined reported areas of concern and …


The Association Between Self-Reported Hearing Loss And Loss Of Usual Source Of Health Care Among Older Medicare Beneficiaries: Evidence From The National Health And Aging Trends Study, Emmanuel Garcia Morales, Lama Assi, Danielle Powell, Kayti Luu, Nicholas Reed Jan 2023

The Association Between Self-Reported Hearing Loss And Loss Of Usual Source Of Health Care Among Older Medicare Beneficiaries: Evidence From The National Health And Aging Trends Study, Emmanuel Garcia Morales, Lama Assi, Danielle Powell, Kayti Luu, Nicholas Reed

School of Allied Health Professions Faculty Publications

Background and Objectives: The purpose of the study is to investigate the association of hearing loss (HL) with maintaining a usual source of care (USOC). Research Design and Methods: In this study we implemented a time-To-event analysis using data from the National Health and Aging Trends Study (NHATS), a nationally representative study of older Medicare beneficiaries in the United States. The study sample included 2 114 older adults, aged 65+ years, 58.9% female, 20.4% Black, who reported having a USOC during the baseline round of NHATS and who remained community-dwelling during the 2011-2018 study period. Based on self-report measures at …


A Review Of Current Pediatric Tele-Audiology Ehealth Platforms, Alex Meibos Aug 2022

A Review Of Current Pediatric Tele-Audiology Ehealth Platforms, Alex Meibos

Journal of Early Hearing Detection and Intervention

Purpose: The purpose of this study was to identify current pediatric tele-audiology hearing technology platforms for young children with hearing loss and their families.

Method: An exploratory, descriptive design was used to evaluate features of available pediatric tele-audiology platforms for parents and audiologists to implement for young children. The study explored internet resources including hearing industry websites, for information related to specific eHealth platform features designed to support pediatric hearing devices currently available to audiologists and families.

Results: Of the websites reviewed, only four major technology companies were found to have pediatric tele-audiology ready platforms designed to support young children …


User Preferences For Hearing Aid Features: Outcomes, Concepts, And Test Construction, Hasan Saleh Jul 2022

User Preferences For Hearing Aid Features: Outcomes, Concepts, And Test Construction, Hasan Saleh

Electronic Thesis and Dissertation Repository

Modern hearing aids can vary in both digital signal processing (DSP) and non-signal processing (non-DSP) features. The complexity and availability of these features can differ at opposite ends of the technology spectrum, potentially influencing aided benefit and preference. Furthermore, the amount of feature choices in modern hearing aids has led to increasing complexity in the selection process.

The first aim of this dissertation was to investigate the aided benefit and preference differences between premium and entry-level hearing aids, and to investigate the drivers of any preference differences. No significant differences were found between the entry-level and premium hearing aids in …


Ehealth Education And Support For Pediatric Hearing Aid Management: Parent Goals, Questions And Challenges, Natalie Nichols, Karen F. Munoz, Guadalupe G. San Miguel, Michael P. Twohig Jan 2022

Ehealth Education And Support For Pediatric Hearing Aid Management: Parent Goals, Questions And Challenges, Natalie Nichols, Karen F. Munoz, Guadalupe G. San Miguel, Michael P. Twohig

Communicative Disorders and Deaf Education Student Research

Purpose: To investigate parent goals, questions, and challenges that emerged during coaching phone calls in an eHealth program designed to provide education and support for hearing aid management.

Methods: Coaching phone calls were audio-recorded, transcribed and qualitatively analyzed for emergent themes within the categories of goals, questions, and challenges.

Results: Emergent themes revealed parent goals were focused on self-efficacy, routines, device care and child development. Emergent themes for questions revealed parents asked questions related to the device care, audiology appointments, confirmation of learning, and child development. For challenges emergent themes revealed parents’ own struggles (e.g., with emotions), issues related to …


Systematic Review: The Effect Of Hearing Aids On Balance And Falls, Natalia Beatriz Pagan-Guadalupe Jun 2021

Systematic Review: The Effect Of Hearing Aids On Balance And Falls, Natalia Beatriz Pagan-Guadalupe

Dissertations, Theses, and Capstone Projects

Background: The population of individuals 65 years old is increasing and falls are one of the most prevalent causes of disabilities among this population. Recent studies have found association between neural hearing losses and increased risk of falls, suggesting that hearing is an important input that assist visual, proprioceptive and vestibular inputs in maintaining balance. Hearing aids are known to be beneficial to improve access to sound; however, it is very limited the research regarding the effects of amplification on balance and risk of falls.

Objectives: This systematic review intends to gather and analyze all the research available regarding the …


The Effects Of Cochlear Implants And Hearing Aids On Reading Comprehension In Children: A Literature Review, Shelby Callahan Jan 2021

The Effects Of Cochlear Implants And Hearing Aids On Reading Comprehension In Children: A Literature Review, Shelby Callahan

2021 SLP Posters

A cochlear implant, or CI, is a device surgically implanted by a specialist. The CI has a wire, which contains electrodes, that is lead through the cochlea. The electrodes stimulate the auditory nerve, which provides the perception of sound for the brain, for those who are deaf or severely hard of hearing. Hearing aids, by contrast, are removable devices that are used to amplify sound for people who have residual hearing. Much like the earpiece of a CI, hearing aids are hooked around the back of the ear but are taken in and out of the ear canal by the …


Perceived Sound Quality Dimensions Influencing Frequency-Gain Shaping Preferences For Hearing Aid-Amplified Speech And Music, Jonathan M. Vaisberg, Steve Beaulac, Danielle Glista, Ewan A. Macpherson, Susan D. Scollie Jan 2021

Perceived Sound Quality Dimensions Influencing Frequency-Gain Shaping Preferences For Hearing Aid-Amplified Speech And Music, Jonathan M. Vaisberg, Steve Beaulac, Danielle Glista, Ewan A. Macpherson, Susan D. Scollie

Communication Sciences and Disorders Publications

© The Author(s) 2021. Hearing aids are typically fitted using speech-based prescriptive formulae to make speech more intelligible. Individual preferences may vary from these prescriptions and may also vary with signal type. It is important to consider what motivates listener preferences and how those preferences can inform hearing aid processing so that assistive listening devices can best be tailored for hearing aid users. Therefore, this study explored preferred frequency-gain shaping relative to prescribed gain for speech and music samples. Preferred gain was determined for 22 listeners with mild sloping to moderately severe hearing loss relative to individually prescribed amplification while …


Ehealth Parent Education For Hearing Aid Management: A Pilot Randomized Controlled Trial, Karen F. Muñoz, Guadalupe G. San Miguel, Tyson S. Barrett, Courtney Kasin, Kelsey Baughman, Bailey Reynolds, Caitlyn Ritter, Makynzie Larsen, John J. Whicker, Michael P. Twohig Jan 2021

Ehealth Parent Education For Hearing Aid Management: A Pilot Randomized Controlled Trial, Karen F. Muñoz, Guadalupe G. San Miguel, Tyson S. Barrett, Courtney Kasin, Kelsey Baughman, Bailey Reynolds, Caitlyn Ritter, Makynzie Larsen, John J. Whicker, Michael P. Twohig

Psychology Student Research

Objective: Parents frequently experience challenges implementing daily routines important for consistent hearing aid management. Education that supports parents in learning new information and gaining confidence is essential for intervention success. We conducted a pilot study to test an eHealth program to determine if we could implement the program with adherence and affect important behavioral outcomes compared to treatment as usual.

Design: Randomized controlled trial

Study sample: Parents of children birth to 42 months who use hearing aids. Eighty-two parents were randomly assigned to the intervention or treatment-as-usual group. Four parents assigned to the intervention group did not continue after baseline …


Relationship Of Head Circumference And Age In The Prediction Of The Real-Ear-To-Coupler Difference (Recd), Kelli M. Watts, Marlene Bagatto, Sandra Clark-Lewis, Samantha Henderson, Susan Scollie, Judith Blumsack Jul 2020

Relationship Of Head Circumference And Age In The Prediction Of The Real-Ear-To-Coupler Difference (Recd), Kelli M. Watts, Marlene Bagatto, Sandra Clark-Lewis, Samantha Henderson, Susan Scollie, Judith Blumsack

Communication Sciences and Disorders Publications

Background Pediatric hearing instrument fitting is optimally performed with individually obtained real-ear-to-coupler difference (RECD) measurements. If these measurements cannot be obtained, predicted values based on age are used. Recent evidence obtained from children aged 3-11 years suggests that head circumference (HC) may be a viable alternative or addition to age for use in RECD prediction. Purpose The purpose of the present study was to determine if HC can be used to predict RECDs in infants, children, and adults. Research Design A correlational design was used. HC and RECD values were measured in all participants. Study Sample Participants were 278 North …


Primary Care Physician Perceptions Of Hearing Loss And Amplification: A Survey, Sophie Racine Jun 2020

Primary Care Physician Perceptions Of Hearing Loss And Amplification: A Survey, Sophie Racine

Dissertations, Theses, and Capstone Projects

The goal of this survey is to determine primary care physicians’ (PCP) views regarding hearing loss and hearing amplification. A questionnaire was created, using TypeForm©. Factors interrogated in the survey included structural aspects of the health care delivery system, presence of stigma among providers regarding hearing amplification, PCPs’ knowledge of hearing loss, the utility of amplification, official recommendations on screening and amplification, costs of hearing aids and risks of untreated hearing loss, and practitioners’ viewpoints and practice behaviors surrounding hearing loss and amplification. The survey instrument is comprised of four domains: 1) demographics, 2) knowledge of hearing loss and amplification, …


Beliefs And Self-Efficacy Of Parents Of Young Children With Hearing Loss, Sophie E. Ambrose, Margo Appenzeller, Alexandra Mai, Jean L. Desjardin May 2020

Beliefs And Self-Efficacy Of Parents Of Young Children With Hearing Loss, Sophie E. Ambrose, Margo Appenzeller, Alexandra Mai, Jean L. Desjardin

Journal of Early Hearing Detection and Intervention

The purpose of this study was to learn more about the beliefs and self-efficacy of parents of young children with hearing loss. Seventy-two parents completed the Scale of Parental Involvement and Self-Efficacy - Revised (SPISE-R), which queries parents about their child’s hearing device use and their perceptions of their own beliefs, knowledge, confidence, and actions pertaining to supporting their child’s auditory access and spoken language development. Two beliefs were identified that related to parents’ action scores and one belief was identified that related to children’s hearing device use. Knowledge and confidence scores were significantly correlated with action scores and children’s …


Audibility, Cost-Acceptibility And Cosmetic Appearance Of Iqbuds Boost In Adults Over The Age Of 50, Madison Dacus, Vishakha Rawool May 2020

Audibility, Cost-Acceptibility And Cosmetic Appearance Of Iqbuds Boost In Adults Over The Age Of 50, Madison Dacus, Vishakha Rawool

Honors Theses

Background: Hearing loss affects 48 million Americans and up to 86% of all adults with hearing loss may not wear hearing aids. Untreated hearing loss is associated with social withdrawal, depression, stress, loss of income, and dementia. Even so, people still tend not to buy or wear hearing aids for a variety of reasons. One recently suggested solution to this problem is low-cost, over the counter (OTC) hearing aids, nicknamed “hearables” This study evaluated the audibility, cost-acceptability and cosmetic appearance of one OTC, IQBuds BOOST.

Methods: Fourteen men and 12 women over 50 years with a hearing loss participated in …


Speech Understanding And Listening Effort In Noise With A New Speech Processing Algorithm, Abigail E. Compton May 2020

Speech Understanding And Listening Effort In Noise With A New Speech Processing Algorithm, Abigail E. Compton

Dissertations, 2020-current

This study examined the effect of a new speech processing strategy (SpeechZone2) in a commercially available hearing aid on speech understanding in noise and self-reported listening effort. Seven adult, experienced hearing aid users (2 males, 5 females; mean age = 64.6 years) with mild to severe, sloping sensorineural hearing loss participated in this study. Binaural Unitron Flex receiver in the ear style hearing aids with closed domes were used to provide the manufacturer prescribed amplification for each participant. The hearing aids were programmed with two separate memories: 1) omnidirectional microphone without SpeecZone2 processing, and 2) adaptive directionality with SpeechZone2 processing. …


The Impact Of Hair Covering Hearing Aid Microphones On Directional Performance, Sara F. Wagner May 2020

The Impact Of Hair Covering Hearing Aid Microphones On Directional Performance, Sara F. Wagner

Dissertations, 2020-current

This study examined the effect of hair covering on hearing aid directional microphone performance. Nine adult, experienced hearing aid users (3 males, 6 females; mean age = 64.6 years) with mild to severe, sloping symmetrical sensorineural hearing loss were included in this study. Binaural Oticon Opn 1 receiver-in-the-ear hearing aids with closed domes were used to provide the recommended amplification for each participant. Speech Reception Threshold (dB SNR required for 50% speech understanding) was measured in all combinations of directional microphone (on/off) and hair covering (with/without) resulting in a total of four conditions. Results showed that directional microphones significantly improved …


Evaluation Of Hearing Aid Manufacturers' Software-Derived Fittings To Dsl V5.0 Pediatric Targets, Paula Folkeard, Marlene Bagatto, Susan Scollie Jan 2020

Evaluation Of Hearing Aid Manufacturers' Software-Derived Fittings To Dsl V5.0 Pediatric Targets, Paula Folkeard, Marlene Bagatto, Susan Scollie

Communication Sciences and Disorders Publications

Background Hearing aid prescriptive methods are a commonly recommended component of evidence-based preferred practice guidelines and are often implemented in the hearing aid programming software. Previous studies evaluating hearing aid manufacturers' software-derived fittings to prescriptions have shown significant deviations from targets. However, few such studies examined the accuracy of softwarederived fittings for the Desired Sensation Level (DSL) v5.0 prescription. Purpose The purpose of this study was to evaluate the accuracy of software-derived fittings to the DSL v5.0 prescription, across a range of hearing aid brands, audiograms, and test levels. Research Design This study is a prospective chart review with simulated …


An Examination Of Clinical Uptake Factors For Remote Hearing Aid Support: A Concept Mapping Study With Audiologists, Danielle Glista, Robin O’Hagan, Sheila Moodie, Susan Scollie Jan 2020

An Examination Of Clinical Uptake Factors For Remote Hearing Aid Support: A Concept Mapping Study With Audiologists, Danielle Glista, Robin O’Hagan, Sheila Moodie, Susan Scollie

Communication Sciences and Disorders Publications

© 2020 The Authors. Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of British Society of Audiology, International Society of Audiology, and Nordic Audiological Society. Objective: To develop a conceptual framework around the factors that influence audiologists in the clinical uptake of remote follow-up hearing aid support services. Design: A purposive sample of 42 audiologists, stratified according to client-focus of either paediatric or adult, were recruited from professional associations in Ontario, Canada, as members of the six-step, participatory-based concept mapping process. Analyses included multidimensional scaling and hierarchical cluster analysis. Results: Six main themes emerged from …


Subjective Differences Between Premium And Mid-Level Digital Hearing Aids, Dakota Sharp May 2019

Subjective Differences Between Premium And Mid-Level Digital Hearing Aids, Dakota Sharp

Dissertations, 2014-2019

This study compared perceptual differences between premium and mid-level hearing aids from a major manufacturer in normal hearing listeners. Limited literature currently exists comparing perceptual differences between premium and mid-level digital hearing aids. This information is highly important in decision-making for clinicians and patients alike. Barry et al. (2018) evaluated four major hearing aid models’ noise reduction properties and determined that one manufacturer’s premium and mid-level devices demonstrated significant differences in noise reduction gain in frequencies associated with human speech. We programmed this device for a mild sloping to moderately-severe SNHL using the manufacturer’s proprietary fitting formula and noise reduction …


Understanding Hearing Aid Sound Quality For Music-Listening, Jonathan Matthew Vaisberg Apr 2019

Understanding Hearing Aid Sound Quality For Music-Listening, Jonathan Matthew Vaisberg

Electronic Thesis and Dissertation Repository

To improve speech intelligibility for individuals with hearing loss, hearing aids amplify speech using gains derived from evidence-based prescriptive methods, in addition to other advanced signal processing mechanisms. While the evidence supports the use of hearing aid signal processing for speech intelligibility, these signal processing adjustments can also be detrimental to hearing aid sound quality, with poor hearing aid sound quality cited as a barrier to device adoption. Poor sound quality is also of concern for music-listening, in which intelligibility is likely not a consideration. A series of electroacoustic and behavioural studies were conducted to study sound quality issues in …


Assistive Devices For Communication Use With The Elderly, Corrine Koepsell, Antony Joseph Jan 2019

Assistive Devices For Communication Use With The Elderly, Corrine Koepsell, Antony Joseph

AuD Capstone Projects - Communication Sciences and Disorders

Hearing loss is one of the prevalent medical conditions in older adults. Although it has been documented that hearing loss is associated with various aspects of social and physical health, hearing assistive technologies and audiologic rehabilitation have been infrequently tapped clinical solutions. Cost and user problems in background noise are two common reasons why hearing aids are underutilized by seniors, and by younger age groups as well. Alternative tools, such as assistive listening devices, may be helpful for older listeners, even though they are used less frequently than hearing aids. To identify if assistive listening devices are satisfactory, a pilot …


Attitudes And Barriers Affecting Hearing Aid Use In Hispanics Living In The U.S. Borderland Region, Loren Renee Sotelo Jan 2019

Attitudes And Barriers Affecting Hearing Aid Use In Hispanics Living In The U.S. Borderland Region, Loren Renee Sotelo

Open Access Theses & Dissertations

Hearing loss can affect a person's overall quality of life, and has been linked to depression and dementia in older adults (Brewster, Ciarleglio, Brown, Chen, Kim, Roose, Golub & Rutherford, 2018; Ciorba, Bianchini, Pelucchi, & Pastore, 2012). In the largest study to date of hearing loss among Hispanic adults residing in the U.S., researchers found that nearly 1 in 7 has hearing loss, which is close to the overall national average (National Institutes of Health, 2015). Currently, hearing aids are the primary/most effective treatment for an age-related hearing loss; Unfortunately, the adult uptake rates are low (Chien & Lin, 2012; …


Sound Quality Effects Of An Adaptive Nonlinear Frequency Compression Processor With Normal-Hearing And Hearing-Impaired Listeners, Danielle Glista, Marianne Hawkins, Jonathan M. Vaisberg, Nazanin Pourmand, Vijay Parsa, Susan Scollie Jan 2019

Sound Quality Effects Of An Adaptive Nonlinear Frequency Compression Processor With Normal-Hearing And Hearing-Impaired Listeners, Danielle Glista, Marianne Hawkins, Jonathan M. Vaisberg, Nazanin Pourmand, Vijay Parsa, Susan Scollie

Communication Sciences and Disorders Publications

© 2019 American Academy of Audiology. All rights reserved. Background: Frequency lowering (FL) technology offers a means of improving audibility of high-frequency sounds. For some listeners, the benefit of such technology can be accompanied by a perceived degradation in sound quality, depending on the strength of the FL setting. Purpose: The studies presented in this article investigate the effect of a new type of FL signal processing for hearing aids, adaptive nonlinear frequency compression (ANFC), on subjective speech quality. Research Design: Listener ratings of sound quality were collected for speech stimuli processed with systematically varied fitting parameters. Study Sample: Study …


Objective Differences Between Premium And Mid-Level Digital Hearing Aids, Chelsea C. Barry May 2018

Objective Differences Between Premium And Mid-Level Digital Hearing Aids, Chelsea C. Barry

Dissertations, 2014-2019

This ongoing study compared premium and mid-level hearing aids from major manufacturers on noise reduction and general electroacoustic characteristics. The findings of this study will contribute to the scarce independent literature evaluating currently available hearing aid technology. Measuring the overall gain reduction in response to a steady state noise can objectively test noise reduction. However, such a method does not specifically test a hearing aid’s ability to reduce speech in specific narrow frequency bands. Hanline & Rout (2008) developed a set of stimuli to evaluate multichannel noise reduction algorithms more precisely. We used these stimuli to test noise reduction abilities …


Development Of A Questionnaire To Assess Attitudes Toward Hearing Aids, Corinne O'Shaughnessy May 2018

Development Of A Questionnaire To Assess Attitudes Toward Hearing Aids, Corinne O'Shaughnessy

Dissertations, 2014-2019

Many reasons have been postulated as to why persons with hearing loss are reluctant to engage in the hearing rehabilitation process. While not the only determinant, an individual's attitudes toward hearing loss and hearing aids have been shown to affect adoption of amplification adversely and eventual outcomes of hearing aid use. Several attempts have been made to develop test instruments for attitudes toward hearing loss, but nothing specific to attitudes toward hearing aids or hearing aid technology. The primary objective of this study was to develop a questionnaire to assess attitudes toward hearing aids using the ABC model of attitude …


Hearing Loss And Third Party Disability: A Systematic Review, Kathleen H. Wallace May 2018

Hearing Loss And Third Party Disability: A Systematic Review, Kathleen H. Wallace

Dissertations, Theses, and Capstone Projects

Objective: The purpose of this investigation is to conduct a systematic review of the quality of life (QoL), social, and emotional aspects of third party disability experienced by communication partners of persons with hearing loss (PHL), including a comparison of communication partners of users of hearing aids, users of cochlear implants, and unaided persons with hearing loss.

Methods: A comprehensive search utilizing various peer-reviewed databases accessible through the City University of New York (CUNY) Graduate Center Library was conducted to identify relevant studies evaluating quality of life, social, and emotional outcome measures of communication partners of persons with hearing loss …


The Effect Of Hearing Aid Use On Cognition In Older Adults With Adult Onset Hearing Loss: A Systematic Review, Jona Cano May 2018

The Effect Of Hearing Aid Use On Cognition In Older Adults With Adult Onset Hearing Loss: A Systematic Review, Jona Cano

Dissertations, Theses, and Capstone Projects

The goal of this paper was to systematically review literature in order to investigate whether the use of amplification in the form of hearing aids by older adults positively impacts cognitive status. If the results of this review uncover a positive association between hearing-aid use and cognition, then hearing aids can be recommended as an intervention method for the mitigation of cognitive decline. The eight studies included in this paper were reviewed based on the research design and the cognitive outcome measures employed. Additionally, the secondary measures of health utilized by study investigators were also evaluated. Of the eight studies …


Bone Conduction Transmission And Head‐Shadow Effects For Unilateral Hearing Losses Fit With Transcranial Cic Hearing Aids, Marc A. Fagelson, Colleen Noe, Jennifer Blevins, Owen Murnane Apr 2018

Bone Conduction Transmission And Head‐Shadow Effects For Unilateral Hearing Losses Fit With Transcranial Cic Hearing Aids, Marc A. Fagelson, Colleen Noe, Jennifer Blevins, Owen Murnane

Owen D. Murnane

Bone conduction transmission and head‐shadow effects were determined with transcranial completely‐in‐the‐canal (TCCIC) CROS hearing aids. Five subjects with documented profound unilateral hearing loss and experience with traditional CROS/BICROS fittings (TCROS) were tested with a CIC hearing aid placed in their poorer ear. Peak SPL was measured at the tympanic membrane and ranged from 105–115 dB SPL at 2000 Hz. Pure‐tone crossover thresholds and functional gain tested at frequencies from 250–8000 Hz varied considerably more than the SPL measures. The pure‐tone results indicated that sensitivity in the better ear was moderately associated with functional gain across frequency. Speech recognition was then …


Characteristics Of Speech (Part 1) And Language (Part 2) For Hearing Devices (Aids), Earl E. Johnson Apr 2018

Characteristics Of Speech (Part 1) And Language (Part 2) For Hearing Devices (Aids), Earl E. Johnson

Earl E. Johnson

No abstract provided.


Better Hearing Devices And Many Forms Of Delivery, Earl E. Johnson Apr 2018

Better Hearing Devices And Many Forms Of Delivery, Earl E. Johnson

Earl E. Johnson

No abstract provided.