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Ear and Hearing

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https://www.readbyqxmd.com/read/28891823/longitudinal-changes-in-electrically-evoked-auditory-event-related-potentials-in-children-with-auditory-brainstem-implants-preliminary-results-recorded-over-3-years
#1
Shuman He, Holly F B Teagle, Tyler C McFayden, Matthew Ewend, Lillian Henderson, Nancy He, Craig A Buchman
OBJECTIVES: This preliminary study aimed (1) to assess longitudinal changes in electrically evoked auditory event-related potentials (eERPs) in children with auditory brainstem implants (ABIs) and (2) to explore whether these changes could be accounted for by maturation in the central auditory system of these patients. DESIGN: Study participants included 5 children (S1 to S5) with an ABI in the affected ear. The stimulus was a train of electrical pulses delivered to individual ABI electrodes via a research interface...
September 7, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28885234/assessing-the-relationship-between-the-electrically-evoked-compound-action-potential-and-speech-recognition-abilities-in-bilateral-cochlear-implant-recipients
#2
Kara C Schvartz-Leyzac, Bryan E Pfingst
OBJECTIVES: The primary objective of the present study was to examine the relationship between suprathreshold electrically evoked compound action potential (ECAP) measures and speech recognition abilities in bilateral cochlear implant listeners. We tested the hypothesis that the magnitude of ear differences in ECAP measures within a subject (right-left) could predict the difference in speech recognition performance abilities between that subject's ears (right-left). DESIGN: To better control for across-subject variables that contribute to speech understanding, the present study used a within-subject design...
September 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28863035/same-or-different-the-overlap-between-children-with-auditory-processing-disorders-and-children-with-other-developmental-disorders-a-systematic-review
#3
Ellen de Wit, Pim van Dijk, Sandra Hanekamp, Margot I Visser-Bochane, Bert Steenbergen, Cees P van der Schans, Margreet R Luinge
OBJECTIVES: Children diagnosed with auditory processing disorders (APD) experience difficulties in auditory functioning and with memory, attention, language, and reading tasks. However, it is not clear whether the behavioral characteristics of these children are distinctive from the behavioral characteristics of children diagnosed with a different developmental disorder, such as specific language impairment (SLI), dyslexia, attention-deficit hyperactivity disorder (ADHD), learning disorder (LD), or autism spectrum disorder...
August 31, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28863034/the-effect-of-signal-to-noise-ratio-on-cortical-auditory-evoked-potentials-elicited-to-speech-stimuli-in-infants-and-adults-with-normal-hearing
#4
Susan A Small, Mridula Sharma, M Bradford, Pragati Rao Mandikal Vasuki
OBJECTIVES: Identification and discrimination of speech sounds in noisy environments is challenging for adults and even more so for infants and children. Behavioral studies consistently report maturational differences in the influence that signal to noise ratio (SNR) and masker type have on speech processing; however, few studies have investigated the neural mechanisms underlying these differences at the level of the auditory cortex. In the present study, we investigated the effect of different SNRs on speech-evoked cortical auditory-evoked potentials (CAEPs) in infants and adults with normal hearing...
August 31, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28857787/stability-of-auditory-steady-state-responses-over-time
#5
Maaike Van Eeckhoutte, Robert Luke, Jan Wouters, Tom Francart
OBJECTIVES: Auditory steady state responses (ASSRs) are used in clinical practice for objective hearing assessments. The response is called steady state because it is assumed to be stable over time, and because it is evoked by a stimulus with a certain periodicity, which will lead to discrete frequency components that are stable in amplitude and phase over time. However, the stimuli commonly used to evoke ASSRs are also known to be able to induce loudness adaptation behaviorally. Researchers and clinicians using ASSRs assume that the response remains stable over time...
August 26, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28857786/dual-task-walking-performance-in-older-persons-with-hearing-impairment-implications-for-interventions-from-a-preliminary-observational-study
#6
Bettina Wollesen, Katharine Scrivener, Kirsty Soles, Yaw Billy, Angela Leung, Felicity Martin, Nicholas Iconomou, Catherine McMahon, Catherine Dean
OBJECTIVES: Adults with "hearing loss" have an increased falls risks. There may be an association between hearing impairment and walking performance under dual-task (DT) and triple-task (TT) conditions. The aim of this study was to identify DT and TT effects on walking speed, step length, and cadence in adults with hearing impairment, previous falls, and physical limitations. DESIGN: The observational study included 73 community-dwelling older people seeking audiology services...
August 26, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28837426/factorial-validity-and-measurement-invariance-of-the-test-of-preschool-early-literacy-phonological-awareness-test-among-deaf-and-hard-of-hearing-children-and-hearing-children
#7
Mi-Young Lee Webb, Nicole Patton-Terry, Gary E Bingham, Cynthia S Puranik, Amy R Lederberg
OBJECTIVES: Emerging evidence suggests that early phonological awareness in deaf and hard-of-hearing (DHH) children with functional hearing is significantly related to their reading acquisition, and the assessment of phonological awareness can play a critical role in preventing reading difficulties. Validation of the scores obtained from standardized assessments when used with DHH students is crucial to support the assessments' intended interpretations and implications of test scores...
August 23, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28832351/characterizing-the-age-and-stimulus-frequency-interaction-for-ocular-vestibular-evoked-myogenic-potentials
#8
Niraj Kumar Singh, Husna Firdose
OBJECTIVES: The normal process of aging is mostly associated with global decline in almost all sensory aspects of the human body. While aging affects the 500-Hz tone burst-evoked ocular vestibular-evoked myogenic potentials (oVEMPs) by reducing the amplitudes and prolonging the latencies, its interaction with oVEMP responses at other frequencies has not been studied. Therefore, the present study aimed at investigating the impact of advancing age on the frequency tuning of oVEMP. DESIGN: Using a cross-sectional research design, oVEMPs were recorded for tone burst frequencies of 250, 500, 750, 1000, 1500, and 2000 Hz from 270 healthy individuals divided into six age groups (10-20, 20-30, 30-40, 40-50, 50-60, and >60 years)...
August 19, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28806193/speech-perception-in-noise-and-listening-effort-of-older-adults-with-nonlinear-frequency-compression-hearing-aids
#9
James Shehorn, Nicole Marrone, Thomas Muller
OBJECTIVES: The purpose of this laboratory-based study was to compare the efficacy of two hearing aid fittings with and without nonlinear frequency compression, implemented within commercially available hearing aids. Previous research regarding the utility of nonlinear frequency compression has revealed conflicting results for speech recognition, marked by high individual variability. Individual differences in auditory function and cognitive abilities, specifically hearing loss slope and working memory, may contribute to aided performance...
August 10, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28799983/discrimination-of-voice-pitch-and-vocal-tract-length-in-cochlear-implant-users
#10
Etienne Gaudrain, Deniz Başkent
OBJECTIVES: When listening to two competing speakers, normal-hearing (NH) listeners can take advantage of voice differences between the speakers. Users of cochlear implants (CIs) have difficulty in perceiving speech on speech. Previous literature has indicated sensitivity to voice pitch (related to fundamental frequency, F0) to be poor among implant users, while sensitivity to vocal-tract length (VTL; related to the height of the speaker and formant frequencies), the other principal voice characteristic, has not been directly investigated in CIs...
August 9, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28787316/contralateral-interference-caused-by-binaurally-presented-competing-speech-in-adult-bilateral-cochlear-implant-users
#11
Matthew J Goupell, Olga A Stakhovskaya, Joshua G W Bernstein
OBJECTIVES: Bilateral cochlear implants (BI-CIs) are intended to improve sound localization and speech understanding in the presence of interfering sounds. For normal-hearing listeners, improved speech understanding in the presence of interfering sounds can be achieved with monaural head shadow and binaural unmasking. While some BI-CI listeners experience binaural unmasking under certain testing conditions, others appear to not. This study tested a group of BI-CI users with hearing histories that have been linked to poor binaural processing-early onset of deafness or long duration of deafness in just one ear...
August 3, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28787315/exploring-hearing-aid-problems-perspectives-of-hearing-aid-owners-and-clinicians
#12
Rebecca J Bennett, Ariane Laplante-Lévesque, Carly J Meyer, Robert H Eikelboom
OBJECTIVES: To gather perspectives of hearing aid owners and hearing healthcare clinicians with regard to problems that arise after hearing aid fitting and use these perspectives to generate a conceptual framework to gain a better understanding of these problems. DESIGN: Participants included a group of 17 hearing aid owners and a group of 21 hearing healthcare clinicians; data collection occurred separately for each group. Participants each attended two group sessions in Perth, Western Australia, wherein they: (1) generated statements describing the problems associated with hearing aids and (2) grouped and rated the statements to identify key themes...
August 3, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28777230/auditory-acclimatization-to-bilateral-hearing-aids-effects-on-sentence-in-noise-processing-times-and-speech-evoked-potentials
#13
Julia Habicht, Mareike Finke, Tobias Neher
OBJECTIVES: Using a longitudinal design, the present study sought to substantiate indications from two previous cross-sectional studies that hearing aid (HA) experience leads to improved speech processing abilities as quantified using eye-gaze measurements. Another aim was to explore potential concomitant changes in event-related potentials (ERPs) to speech stimuli. DESIGN: Groups of elderly novice (novHA) and experienced (expHA) HA users matched in terms of age and working memory capacity participated...
August 2, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28753163/cortical-processing-of-vocal-and-nonvocal-sounds-in-cochlear-implanted-children-an-electrophysiological-study
#14
David Bakhos, John Galvin, Sylvie Roux, Emmanuel Lescanne, Nicole Bruneau
OBJECTIVES: For prelingually deaf children, cochlear implants (CIs) can restore auditory input to the auditory cortex and the ability to acquire spoken language. Language development is strongly intertwined with voice perception. The aim of this electrophysiological study was to investigate human voice processing using measures of cortical auditory evoked potentials (AEPs) in pediatric CI users. DESIGN: Cortical AEPs were measured in 8 CI children (4 to 12 years old) with good auditory and language performance and 8 normal-hearing (NH) age-matched controls...
July 27, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28753162/auditory-and-audiovisual-close-shadowing-in-post-lingually-deaf-cochlear-implanted-patients-and-normal-hearing-elderly-adults
#15
Lucie Scarbel, Denis Beautemps, Jean-Luc Schwartz, Marc Sato
OBJECTIVES: The goal of this study was to determine the effect of auditory deprivation and age-related speech decline on perceptuo-motor abilities during speech processing in post-lingually deaf cochlear-implanted participants and in normal-hearing elderly (NHE) participants. DESIGN: A close-shadowing experiment was carried out on 10 cochlear-implanted patients and on 10 NHE participants, with two groups of normal-hearing young participants as controls. To this end, participants had to categorize auditory and audiovisual syllables as quickly as possible, either manually or orally...
July 27, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28746090/modern-hearing-aids-verification-outcome-measures-and-follow-up
#16
Jeremy J Donai
No abstract text is available yet for this article.
July 25, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28737551/vibrotactile-thresholds-on-the-mastoid-and-forehead-position-of-deaf-patients-using-radioear-b71-and-b81
#17
Karl-Johan Fredén Jansson, Bo Håkansson, Sabine Reinfeldt, Laura Fröhlich, Torsten Rahne
OBJECTIVES: The main objective of this study was to measure the vibrotactile thresholds on the mastoid process and forehead positions using patients with bilateral deafness and to compare the results from the two bone conduction vibrators Radioear B71 and B81. DESIGN: There is a possibility that the vibrotactile sensation on the skin makes it difficult to discriminate between sound and vibration. The risk is highest for patients who have bone conduction hearing thresholds in proximity to or worse than their vibrotactile thresholds...
July 21, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28708814/chirp-evoked-otoacoustic-emissions-and-middle-ear-absorbance-for-monitoring-ototoxicity-in-cystic-fibrosis-patients
#18
Angela C Garinis, Douglas H Keefe, Lisa L Hunter, Denis F Fitzpatrick, Daniel B Putterman, Garnett P McMillan, Jeffrey A Gold, M Patrick Feeney
OBJECTIVES: The goal of this study was to investigate the use of transient-evoked otoacoustic emissions (TEOAEs) and middle ear absorbance measurements to monitor auditory function in patients with cystic fibrosis (CF) receiving ototoxic medications. TEOAEs were elicited with a chirp stimulus using an extended bandwidth (0.71 to 8 kHz) to measure cochlear function at higher frequencies than traditional TEOAEs. Absorbance over a wide bandwidth (0.25 to 8 kHz) provides information on middle ear function...
July 13, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28700448/linguistic-context-versus-semantic-competition-in-word-recognition-by-younger-and-older-adults-with-cochlear-implants
#19
Nicole M Amichetti, Eriko Atagi, Ying-Yee Kong, Arthur Wingfield
OBJECTIVES: The increasing numbers of older adults now receiving cochlear implants raises the question of how the novel signal produced by cochlear implants may interact with cognitive aging in the recognition of words heard spoken within a linguistic context. The objective of this study was to pit the facilitative effects of a constraining linguistic context against a potential age-sensitive negative effect of response competition on effectiveness of word recognition. DESIGN: Younger (n = 8; mean age = 22...
July 11, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28700447/impact-of-hearing-aid-technology-on-outcomes-in-daily-life-iii-localization
#20
Jani A Johnson, Jingjing Xu, Robyn M Cox
OBJECTIVE: Compared to basic-feature hearing aids, premium-feature hearing aids have more advanced technologies and sophisticated features. The objective of this study was to explore the difference between premium-feature and basic-feature hearing aids in horizontal sound localization in both laboratory and daily life environments. We hypothesized that premium-feature hearing aids would yield better localization performance than basic-feature hearing aids. DESIGN: Exemplars of premium-feature and basic-feature hearing aids from two major manufacturers were evaluated...
July 11, 2017: Ear and Hearing
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