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Ear and Hearing

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https://www.readbyqxmd.com/read/28399064/multisensory-integration-in-cochlear-implant-recipients
#1
Ryan A Stevenson, Sterling W Sheffield, Iliza M Butera, René H Gifford, Mark T Wallace
Speech perception is inherently a multisensory process involving integration of auditory and visual cues. Multisensory integration in cochlear implant (CI) recipients is a unique circumstance in that the integration occurs after auditory deprivation and the provision of hearing via the CI. Despite the clear importance of multisensory cues for perception, in general, and for speech intelligibility, specifically, the topic of multisensory perceptual benefits in CI users has only recently begun to emerge as an area of inquiry...
April 10, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28399063/language-outcomes-in-deaf-or-hard-of-hearing-teenagers-who-are-spoken-language-users-effects-of-universal-newborn-hearing-screening-and-early-confirmation
#2
Hannah Pimperton, Jana Kreppner, Merle Mahon, Jim Stevenson, Emmanouela Terlektsi, Sarah Worsfold, Ho Ming Yuen, Colin R Kennedy
OBJECTIVES: This study aimed to examine whether (a) exposure to universal newborn hearing screening (UNHS) and b) early confirmation of hearing loss were associated with benefits to expressive and receptive language outcomes in the teenage years for a cohort of spoken language users. It also aimed to determine whether either of these two variables was associated with benefits to relative language gain from middle childhood to adolescence within this cohort. DESIGN: The participants were drawn from a prospective cohort study of a population sample of children with bilateral permanent childhood hearing loss, who varied in their exposure to UNHS and who had previously had their language skills assessed at 6-10 years...
April 10, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28399062/listening-effort-through-depth-of-processing-in-school-age-children
#3
Benson Cheng-Lin Hsu, Filiep Vanpoucke, Astrid van Wieringen
OBJECTIVES: A reliable and practical measure of listening effort is crucial in the aural rehabilitation of children with communication disorders. In this article, we propose a novel behavioral paradigm designed to measure listening effort in school-age children based on different depths and levels of verbal processing. The paradigm consists of a classic word recognition task performed in quiet and in noise coupled to one of three additional tasks asking the children to judge the color of simple pictures or a certain semantic category of the presented words...
April 10, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28379904/automatic-localization-of-cochlear-implant-electrode-contacts-in-ct
#4
Edwin Bennink, Jeroen P M Peters, Anne W Wendrich, Evert-Jan Vonken, Gijsbert A van Zanten, Max A Viergever
OBJECTIVES: Determining the exact location of cochlear implant (CI) electrode contacts after implantation is important, as it helps quantifying the relation between CI positioning and hearing outcome. Unfortunately, localization of individual contacts can be difficult, because the spacing between the electrode contacts is near the spatial resolution limit of high-resolution clinical computed tomography (CT) scanners. This study introduces and examines a simple, automatic method for the localization of intracochlear electrode contacts...
April 4, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28375876/cochlear-implantation-in-cases-of-unilateral-hearing-loss-initial-localization-abilities
#5
Margaret T Dillon, Emily Buss, Meredith L Anderson, English R King, Ellen J Deres, Craig A Buchman, Kevin D Brown, Harold C Pillsbury
OBJECTIVES: The present study evaluated early auditory localization abilities of cochlear implant (CI) recipients with normal or near-normal hearing (NH) in the contralateral ear. The goal of the study was to better understand the effect of CI listening experience on localization in this population. DESIGN: Twenty participants with unilateral hearing loss enrolled in a prospective clinical trial assessing outcomes of cochlear implantation (ClinicalTrials.gov Identifier: NCT02203305)...
April 3, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28369010/can-you-hear-what-i-think-theory-of-mind-in-young-children-with-moderate-hearing-loss
#6
Anouk P Netten, Carolien Rieffe, Wim Soede, Evelien Dirks, Anna M H Korver, Saskia Konings, Jeroen J Briaire, Anne Marie Oudesluys-Murphy, Friedo W Dekker, Johan H M Frijns
OBJECTIVES: The first aim of this study was to examine various aspects of Theory of Mind (ToM) development in young children with moderate hearing loss (MHL) compared with hearing peers. The second aim was to examine the relation between language abilities and ToM in both groups. The third aim was to compare the sequence of ToM development between children with MHL and hearing peers. DESIGN: Forty-four children between 3 and 5 years old with MHL (35 to 70 dB HL) who preferred to use spoken language were identified from a nationwide study on hearing loss in young children...
March 31, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28369009/long-term-outcomes-education-and-occupational-level-in-cochlear-implant-recipients-who-were-implanted-in-childhood
#7
Angelika Illg, Marius Haack, Anke Lesinski-Schiedat, Andreas Büchner, Thomas Lenarz
OBJECTIVES: To document the long-term outcomes of auditory performance, educational status, vocational training, and occupational situation in users of cochlear implants (CIs) who were implanted in childhood. DESIGN: This retrospective cross-sectional study of 933 recipients of CIs examined auditory performance, education and vocational training, and occupational outcomes. All participants received their first CI during their childhood between 1986 and 2000. Speech comprehension results were categorized using the categories of auditory performance (CAP) arranged in order of increasing difficulty ranging from 0 to 8...
March 31, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28362674/human-frequency-following-responses-to-vocoded-speech
#8
Saradha Ananthakrishnan, Xin Luo, Ananthanarayan Krishnan
OBJECTIVES: Vocoders offer an effective platform to simulate the effects of cochlear implant speech processing strategies in normal-hearing listeners. Several behavioral studies have examined the effects of varying spectral and temporal cues on vocoded speech perception; however, little is known about the neural indices of vocoded speech perception. Here, the scalp-recorded frequency following response (FFR) was used to study the effects of varying spectral and temporal cues on brainstem neural representation of specific acoustic cues, the temporal envelope periodicity related to fundamental frequency (F0) and temporal fine structure (TFS) related to formant and formant-related frequencies, as reflected in the phase-locked neural activity in response to vocoded speech...
March 30, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28362673/fixed-level-frequency-threshold-testing-for-ototoxicity-monitoring
#9
Catherine C Rieke, Odile H Clavier, Lindsay V Allen, Allison P Anderson, Chris A Brooks, Abigail M Fellows, Douglas S Brungart, Jay C Buckey
OBJECTIVES: Hearing loss from ototoxicity is often most pronounced at high frequencies. To improve patient monitoring and compliance, high-frequency testing methods should be short and easy to administer. We evaluated the repeatability and accuracy of a Békésy-like, fixed-level frequency threshold (FLFT) technique. This test takes less than a minute and could provide a rapid and effective way to determine the highest audible frequency. We hypothesized the FLFT test would be repeatable in normal-hearing subjects, and accurate when compared with Békésy fixed-frequency audiometry in the sensitive region for ototoxicity (SRO)...
March 30, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28358747/binaural-interaction-effects-of-30-50-hz-auditory-steady-state-responses
#10
Robin Gransier, Astrid van Wieringen, Jan Wouters
OBJECTIVES: Auditory stimuli modulated by modulation frequencies within the 30 to 50 Hz region evoke auditory steady state responses (ASSRs) with high signal to noise ratios in adults, and can be used to determine the frequency-specific hearing thresholds of adults who are unable to give behavioral feedback reliably. To measure ASSRs as efficiently as possible a multiple stimulus paradigm can be used, stimulating both ears simultaneously. The response strength of 30 to 50Hz ASSRs is, however, affected when both ears are stimulated simultaneously...
March 29, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28353523/early-hearing-detection-and-intervention-pediatric-audiology-links-to-services-ehdi-pals-building-a-national-facility-database
#11
Winnie Chung, Kathryn L Beauchaine, Jeff Hoffman, Kirsten R Coverstone, Anne Oyler, Craig Mason
OBJECTIVES: To create a searchable web-based national audiology facility directory using a standardized survey, so parents and providers could identify which facilities had capacity to provide appropriate services based on child's age. DESIGN: An Early Hearing Detection and Intervention-Pediatric Audiology Links to Services expert panel was convened to create a survey to collect audiology facility information. Professional practice documents were reviewed, a survey was designed to collect pertinent test protocols of each audiology facility, and a standard of care template was created to cross-check survey answers...
March 28, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28353522/effects-of-simulated-hearing-loss-on-bilingual-children-s-consonant-recognition-in-noise
#12
Kanae Nishi, Andrea C Trevino, Lydia Rosado Rogers, Paula García, Stephen T Neely
OBJECTIVE: This study investigated the possible impact of simulated hearing loss on speech perception in Spanish-English bilingual children. To avoid confound between individual differences in hearing-loss configuration and linguistic experience, threshold-elevating noise simulating a mild-to-moderate sloping hearing loss was used with normal-hearing listeners. The hypotheses were that: (1) bilingual children can perform similarly to English-speaking monolingual peers in quiet; (2) for both bilingual and monolingual children, noise and simulated hearing loss would have detrimental impacts consistent with their acoustic characteristics (i...
March 28, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28353521/consequences-of-early-conductive-hearing-loss-on-long-term-binaural-processing
#13
Kelley Graydon, Gary Rance, Richard Dowell, Bram Van Dun
OBJECTIVES: The aim of the study was to investigate the long-term effects of early conductive hearing loss on binaural processing in school-age children. DESIGN: One hundred and eighteen children participated in the study, 82 children with a documented history of conductive hearing loss associated with otitis media and 36 controls who had documented histories showing no evidence of otitis media or conductive hearing loss. All children were demonstrated to have normal-hearing acuity and middle ear function at the time of assessment...
March 28, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28338496/infants-and-adults-use-of-temporal-cues-in-consonant-discrimination
#14
Laurianne Cabrera, Lynne Werner
OBJECTIVES: Adults can use slow temporal envelope cues, or amplitude modulation (AM), to identify speech sounds in quiet. Faster AM cues and the temporal fine structure, or frequency modulation (FM), play a more important role in noise. This study assessed whether fast and slow temporal modulation cues play a similar role in infants' speech perception by comparing the ability of normal-hearing 3-month-olds and adults to use slow temporal envelope cues in discriminating consonants contrasts...
March 23, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28338495/burden-of-hearing-loss-on-communication-partners-and-its-influence-on-pursuit-of-hearing-evaluation
#15
Kristine A Schulz, Naomi Modeste, Jerry W Lee, Rhonda Roberts, Gabrielle H Saunders, David L Witsell
OBJECTIVE: Describe how the burden on the communication partner (CP) from the patient's hearing loss, as perceived by both the patient and their CP, influences a patient's pursuit of hearing evaluation. DESIGN: Cross-sectional design. Demographics, perception of patient's hearing loss, and associated burden on the CP were collected from both patient and CP via online questionnaires. Patients and their CPs from Duke University Medical Center Otolaryngology Clinic, 55 to 75 years of age, being seen for any reason, who indicated a CP has expressed concern about their hearing...
March 23, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28319479/brainstem-evoked-potential-indices-of-subcortical-auditory-processing-after-mild-traumatic-brain-injury
#16
Kathy R Vander Werff, Brian Rieger
OBJECTIVES: The primary aim of this study was to assess subcortical auditory processing in individuals with chronic symptoms after mild traumatic brain injury (mTBI) by measuring auditory brainstem responses (ABRs) to standard click and complex speech stimuli. Consistent with reports in the literature of auditory problems after mTBI (despite normal-hearing thresholds), it was hypothesized that individuals with mTBI would have evidence of impaired neural encoding in the auditory brainstem compared to noninjured controls, as evidenced by delayed latencies and reduced amplitudes of ABR components...
March 17, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28301392/combined-electric-and-acoustic-stimulation-with-hearing-preservation-effect-of-cochlear-implant-low-frequency-cutoff-on-speech-understanding-and-perceived-listening-difficulty
#17
René H Gifford, Timothy J Davis, Linsey W Sunderhaus, Christine Menapace, Barbara Buck, Jillian Crosson, Lori O'Neill, Anne Beiter, Phil Segel
OBJECTIVE: The primary objective of this study was to assess the effect of electric and acoustic overlap for speech understanding in typical listening conditions using semidiffuse noise. DESIGN: This study used a within-subjects, repeated measures design including 11 experienced adult implant recipients (13 ears) with functional residual hearing in the implanted and nonimplanted ear. The aided acoustic bandwidth was fixed and the low-frequency cutoff for the cochlear implant (CI) was varied systematically...
March 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28301391/comparison-of-multipole-stimulus-configurations-with-respect-to-loudness-and-spread-of-excitation
#18
Dirk Vellinga, Jeroen Johannes Briaire, David Michael Paul van Meenen, Johannes Hubertus Maria Frijns
OBJECTIVE: Current spread is a substantial limitation of speech coding strategies in cochlear implants. Multipoles have the potential to reduce current spread and thus generate more discriminable pitch percepts. The difficulty with multipoles is reaching sufficient loudness. The primary goal was to compare the loudness characteristics and spread of excitation (SOE) of three types of phased array stimulation, a novel multipole, with three more conventional configurations. DESIGN: Fifteen postlingually deafened cochlear implant users performed psychophysical experiments addressing SOE, loudness scaling, loudness threshold, loudness balancing, and loudness discrimination...
March 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28301390/pre-and-postoperative-binaural-unmasking-for-bimodal-cochlear-implant-listeners
#19
Benjamin M Sheffield, Gerald Schuchman, Joshua G W Bernstein
OBJECTIVES: Cochlear implants (CIs) are increasingly recommended to individuals with residual bilateral acoustic hearing. Although new hearing-preserving electrode designs and surgical approaches show great promise, CI recipients are still at risk to lose acoustic hearing in the implanted ear, which could prevent the ability to take advantage of binaural unmasking to aid speech recognition in noise. This study examined the tradeoff between the benefits of a CI for speech understanding in noise and the potential loss of binaural unmasking for CI recipients with some bilateral preoperative acoustic hearing...
March 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28234670/effects-of-hearing-impairment-and-hearing-aid-amplification-on-listening-effort-a-systematic-review
#20
Barbara Ohlenforst, Adriana A Zekveld, Elise P Jansma, Yang Wang, Graham Naylor, Artur Lorens, Thomas Lunner, Sophia E Kramer
OBJECTIVES: To undertake a systematic review of available evidence on the effect of hearing impairment and hearing aid amplification on listening effort. Two research questions were addressed: Q1) does hearing impairment affect listening effort? and Q2) can hearing aid amplification affect listening effort during speech comprehension? DESIGN: English language articles were identified through systematic searches in PubMed, EMBASE, Cinahl, the Cochrane Library, and PsycINFO from inception to August 2014...
February 23, 2017: Ear and Hearing
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