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Trends in Hearing

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https://www.readbyqxmd.com/read/28929903/predictors-of-hearing-aid-outcomes
#1
Enrique A Lopez-Poveda, Peter T Johannesen, Patricia Pérez-González, José L Blanco, Sridhar Kalluri, Brent Edwards
Over 360 million people worldwide suffer from disabling hearing loss. Most of them can be treated with hearing aids. Unfortunately, performance with hearing aids and the benefit obtained from using them vary widely across users. Here, we investigate the reasons for such variability. Sixty-eight hearing-aid users or candidates were fitted bilaterally with nonlinear hearing aids using standard procedures. Treatment outcome was assessed by measuring aided speech intelligibility in a time-reversed two-talker background and self-reported improvement in hearing ability...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28874096/the-benefits-of-bimodal-aiding-on-extended-dimensions-of-speech-perception-intelligibility-listening-effort-and-sound-quality
#2
Elke M J Devocht, A Miranda L Janssen, Josef Chalupper, Robert J Stokroos, Erwin L J George
The benefits of combining a cochlear implant (CI) and a hearing aid (HA) in opposite ears on speech perception were examined in 15 adult unilateral CI recipients who regularly use a contralateral HA. A within-subjects design was carried out to assess speech intelligibility testing, listening effort ratings, and a sound quality questionnaire for the conditions CI alone, CIHA together, and HA alone when applicable. The primary outcome of bimodal benefit, defined as the difference between CIHA and CI, was statistically significant for speech intelligibility in quiet as well as for intelligibility in noise across tested spatial conditions...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28758567/the-benefit-of-a-visually-guided-beamformer-in-a-dynamic-speech-task
#3
Virginia Best, Elin Roverud, Timothy Streeter, Christine R Mason, Gerald Kidd
The aim of this study was to evaluate the performance of a visually guided hearing aid (VGHA) under conditions designed to capture some aspects of "real-world" communication settings. The VGHA uses eye gaze to steer the acoustic look direction of a highly directional beamforming microphone array. Although the VGHA has been shown to enhance speech intelligibility for fixed-location, frontal targets, it is currently not known whether these benefits persist in the face of frequent changes in location of the target talker that are typical of conversational turn-taking...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752812/introducing-the-australian-hearing-hub
#4
David McAlpine, Catherine McMahon, Harvey Dillon, Greg Leigh, Jim Hungerford, Jim Patrick, Robert Cowan, Louise Dodd
This special issue contains a collection of papers highlighting the collaborative research taking place at Macquarie University's Australian Hearing Hub. Included in this introduction is a brief outline of the challenges in the hearing health and communication space and a brief description of the Australian Hearing Hub and its members, alongside an overview of the studies included in this special issue.
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752811/bilateral-versus-unilateral-cochlear-implantation-in-adult-listeners-speech-on-speech-masking-and-multitalker-localization
#5
Baljeet Rana, Jörg M Buchholz, Catherine Morgan, Mridula Sharma, Tobias Weller, Shivali Appaiah Konganda, Kyoko Shirai, Atsushi Kawano
Binaural hearing helps normal-hearing listeners localize sound sources and understand speech in noise. However, it is not fully understood how far this is the case for bilateral cochlear implant (CI) users. To determine the potential benefits of bilateral over unilateral CIs, speech comprehension thresholds (SCTs) were measured in seven Japanese bilateral CI recipients using Helen test sentences (translated into Japanese) in a two-talker speech interferer presented from the front (co-located with the target speech), ipsilateral to the first-implanted ear (at +90° or -90°), and spatially symmetric at ±90°...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752810/speech-recognition-outcomes-after-cochlear-reimplantation-surgery
#6
Mariana Reis, Isabelle Boisvert, Valerie Looi, Melville da Cruz
This study compares speech recognition outcomes before and after cochlear reimplantation surgery, in relation to clinical factors known before and at time of surgery. Between 2006 and 2015, 2,055 adult cochlear implant surgeries were conducted at this center, of which 87 were reimplantation surgeries (4.2%). Speech recognition scores (SRS) assessed before and after reimplantation were available for 54 adults. Overall, SRS measured after reimplantation were similar to the best SRS obtained by the patient and greater than the last SRS measured before surgery...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752809/psychosocial-development-in-5-year-old-children-with-hearing-loss-using-hearing-aids-or-cochlear-implants
#7
Cara L Wong, Teresa Y C Ching, Linda Cupples, Laura Button, Greg Leigh, Vivienne Marnane, Jessica Whitfield, Miriam Gunnourie, Louise Martin
This article reports on the psychosocial development and factors influencing outcomes of 5-year-old children with cochlear implants (CIs) or hearing aids (HAs). It further examines differences between children with CIs and HAs with similar levels of hearing loss. Data were collected as part of the Longitudinal Outcomes of Children with Hearing Impairment study-a prospective, population-based study. Parents/caregivers of children completed the Strengths and Difficulties Questionnaire ( n = 333), the Social Skills subscale from the Child Development Inventory ( n = 317), and questionnaires on functional auditory behavior (Parents' Evaluation of Aural/oral performance of Children), and demographics...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752808/decision-making-in-audiology-balancing-evidence-based-practice-and-patient-centered-care
#8
Isabelle Boisvert, Jennifer Clemesha, Erik Lundmark, Erica Crome, Caitlin Barr, Catherine M McMahon
Health-care service delivery models have evolved from a practitioner-centered approach toward a patient-centered ideal. Concurrently, increasing emphasis has been placed on the use of empirical evidence in decision-making to increase clinical accountability. The way in which clinicians use empirical evidence and client preferences to inform decision-making provides an insight into health-care delivery models utilized in clinical practice. The present study aimed to investigate the sources of information audiologists use when discussing rehabilitation choices with clients, and discuss the findings within the context of evidence-based practice and patient-centered care...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752807/objective-assessment-of-listening-effort-coregistration-of-pupillometry-and-eeg
#9
Kelly Miles, Catherine McMahon, Isabelle Boisvert, Ronny Ibrahim, Peter de Lissa, Petra Graham, Björn Lyxell
Listening to speech in noise is effortful, particularly for people with hearing impairment. While it is known that effort is related to a complex interplay between bottom-up and top-down processes, the cognitive and neurophysiological mechanisms contributing to effortful listening remain unknown. Therefore, a reliable physiological measure to assess effort remains elusive. This study aimed to determine whether pupil dilation and alpha power change, two physiological measures suggested to index listening effort, assess similar processes...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28752806/the-influence-of-social-interaction-and-physical-health-on-the-association-between-hearing-and-depression-with-age-and-gender
#10
Gitte Keidser, Mark Seeto
Recent epidemiological data suggest the relation between hearing difficulty and depression is more evident in younger and middle-aged populations than in older adults. There are also suggestions that the relation may be more evident in specific subgroups; that is, other factors may influence a relationship between hearing and depression in different subgroups. Using cross-sectional data from the UK Biobank on 134,357 community-dwelling people and structural equation modelling, this study examined the potential mediating influence of social isolation and unemployment and the confounding influence of physical illness and cardiovascular conditions on the relation between a latent hearing variable and both a latent depressive episodes variable and a latent depressive symptoms variable...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28675088/sensitivity-to-angular-and-radial-source-movements-as-a-function-of-acoustic-complexity-in-normal-and-impaired-hearing
#11
Micha Lundbeck, Giso Grimm, Volker Hohmann, Søren Laugesen, Tobias Neher
In contrast to static sounds, spatially dynamic sounds have received little attention in psychoacoustic research so far. This holds true especially for acoustically complex (reverberant, multisource) conditions and impaired hearing. The current study therefore investigated the influence of reverberation and the number of concurrent sound sources on source movement detection in young normal-hearing (YNH) and elderly hearing-impaired (EHI) listeners. A listening environment based on natural environmental sounds was simulated using virtual acoustics and rendered over headphones...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28675087/erratum
#12
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28656807/the-influence-of-noise-reduction-on-speech-intelligibility-response-times-to-speech-and-perceived-listening-effort-in-normal-hearing-listeners
#13
Maj van den Tillaart-Haverkate, Inge de Ronde-Brons, Wouter A Dreschler, Rolph Houben
Single-microphone noise reduction leads to subjective benefit, but not to objective improvements in speech intelligibility. We investigated whether response times (RTs) provide an objective measure of the benefit of noise reduction and whether the effect of noise reduction is reflected in rated listening effort. Twelve normal-hearing participants listened to digit triplets that were either unprocessed or processed with one of two noise-reduction algorithms: an ideal binary mask (IBM) and a more realistic minimum mean square error estimator (MMSE)...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28602128/effect-of-energy-equalization-on-the-intelligibility-of-speech-in-fluctuating-background-interference-for-listeners-with-hearing-impairment
#14
Laura A D'Aquila, Joseph G Desloge, Charlotte M Reed, Louis D Braida
The masking release (MR; i.e., better speech recognition in fluctuating compared with continuous noise backgrounds) that is evident for listeners with normal hearing (NH) is generally reduced or absent for listeners with sensorineural hearing impairment (HI). In this study, a real-time signal-processing technique was developed to improve MR in listeners with HI and offer insight into the mechanisms influencing the size of MR. This technique compares short-term and long-term estimates of energy, increases the level of short-term segments whose energy is below the average energy, and normalizes the overall energy of the processed signal to be equivalent to that of the original long-term estimate...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28351216/self-reported-usage-functional-benefit-and-audiologic-characteristics-of-cochlear-implant-patients-who-use-a-contralateral-hearing-aid
#15
Arlene C Neuman, Susan B Waltzman, William H Shapiro, Jonathan D Neukam, Annette M Zeman, Mario A Svirsky
Ninety-four unilateral CI patients with bimodal listening experience (CI plus HA in contralateral ear) completed a questionnaire that focused on attitudes toward hearing aid use postimplantation, patterns of usage, and perceived bimodal benefits in daily life. Eighty participants continued HA use and 14 discontinued HA use at the time of the questionnaire. Participant responses provided useful information for counseling patients both before and after implantation. The majority of continuing bimodal (CI plus HA) participants reported adapting to using both devices within 3 months and also reported that they heard better bimodally in quiet, noisy, and reverberant conditions...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28150534/evaluating-multipulse-integration-as-a-neural-health-correlate-in-human-cochlear-implant-users-relationship-to-psychometric-functions-for-detection
#16
Ning Zhou, Lixue Dong
In electrical hearing, multipulse integration (MPI) describes the rate at which detection threshold decreases with increasing stimulation rate in a fixed-duration pulse train. In human subjects, MPI has been shown to be dependent on the psychophysically estimated spread of neural excitation at a high stimulation rate, with broader spread predicting greater integration. The first aim of the present study was to replicate this finding using alternative methods for measuring MPI and spread of neural excitation...
2017: Trends in Hearing
https://www.readbyqxmd.com/read/28105890/multitasking-during-degraded-speech-recognition-in-school-age-children
#17
Tina M Grieco-Calub, Kristina M Ward, Laurel Brehm
Multitasking requires individuals to allocate their cognitive resources across different tasks. The purpose of the current study was to assess school-age children's multitasking abilities during degraded speech recognition. Children (8 to 12 years old) completed a dual-task paradigm including a sentence recognition (primary) task containing speech that was either unprocessed or noise-band vocoded with 8, 6, or 4 spectral channels and a visual monitoring (secondary) task. Children's accuracy and reaction time on the visual monitoring task was quantified during the dual-task paradigm in each condition of the primary task and compared with single-task performance...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/28091178/behavioral-assessment-of-listening-effort-using-a-dual-task-paradigm
#18
Jean-Pierre Gagné, Jana Besser, Ulrike Lemke
Published investigations ( n = 29) in which a dual-task experimental paradigm was employed to measure listening effort during speech understanding in younger and older adults were reviewed. A summary of the main findings reported in the articles is provided with respect to the participants' age-group and hearing status. Effects of different signal characteristics, such as the test modality, on dual-task outcomes are evaluated, and associations with cognitive abilities and self-report measures of listening effort are described...
January 2017: Trends in Hearing
https://www.readbyqxmd.com/read/27927982/evidence-for-a-right-ear-advantage-in-newborn-hearing-screening-results
#19
Daphne Ari-Even Roth, Minka Hildesheimer, Ilan Roziner, Yael Henkin
The aim of the present study was to investigate the effect of ear asymmetry, order of testing, and gender on transient-evoked otoacoustic emission (TEOAE) pass rates and response levels in newborn hearing screening. The screening results of 879 newborns, of whom 387 (study group) passed screening successfully in only one ear in the first TEOAE screening, but passed screening successfully in both ears thereafter, and 492 (control group) who passed screening successfully in both ears in the first TEOAE, were retrospectively examined for pass rates and TEOAE characteristics...
December 6, 2016: Trends in Hearing
https://www.readbyqxmd.com/read/27888257/a-flexible-question-and-answer-task-for-measuring-speech-understanding
#20
Virginia Best, Timothy Streeter, Elin Roverud, Christine R Mason, Gerald Kidd
This report introduces a new speech task based on simple questions and answers. The task differs from a traditional sentence recall task in that it involves an element of comprehension and can be implemented in an ongoing fashion. It also contains two target items (the question and the answer) that may be associated with different voices and locations to create dynamic listening scenarios. A set of 227 questions was created, covering six broad categories (days of the week, months of the year, numbers, colors, opposites, and sizes)...
November 24, 2016: Trends in Hearing
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