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Speech-in-noise

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https://www.readbyqxmd.com/read/28097918/the-hearing-benefit-of-cochlear-implantation-for-individuals-with-unilateral-hearing-loss-but-no-tinnitus
#1
Henryk Skarzynski, Artur Lorens, Marika Kruszynska, Anita Obrycka, Dorota Pastuszak, Piotr Henryk Skarzynski
CONCLUSION: Cochlear implants improve the hearing abilities of individuals with unilateral hearing loss and no tinnitus. The benefit is no different from that seen in patients with unilateral hearing loss and incapacitating tinnitus. OBJECTIVE: To evaluate hearing outcomes after cochlear implantation in individuals with unilateral hearing loss and no tinnitus and compare them to those obtained in a similar group who had incapacitating tinnitus. METHODS: Six cases who did not experience tinnitus before operation and 15 subjects with pre-operative tinnitus were evaluated with a structured interview, a monosyllabic word test under difficult listening situations, a sound localization test, and an APHAB (abbreviated profile of hearing aid benefit) questionnaire...
January 18, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28087419/cochlear-synaptopathy-in-acquired-sensorineural-hearing-loss-manifestations-and-mechanisms
#2
REVIEW
M Charles Liberman, Sharon G Kujawa
Common causes of hearing loss in humans - exposure to loud noise or ototoxic drugs and aging - often damage sensory hair cells, reflected as elevated thresholds on the clinical audiogram. Recent studies in animal models suggest, however, that well before this overt hearing loss can be seen, a more insidious, but likely more common, process is taking place that permanently interrupts synaptic communication between sensory inner hair cells and subsets of cochlear nerve fibers. The silencing of affected neurons alters auditory information processing, whether accompanied by threshold elevations or not, and is a likely contributor to a variety of perceptual abnormalities, including speech-in-noise difficulties, tinnitus and hyperacusis...
January 10, 2017: Hearing Research
https://www.readbyqxmd.com/read/28067750/unilateral-hearing-loss-understanding-speech-recognition-and-localization-variability-implications-for-cochlear-implant-candidacy
#3
Jill B Firszt, Ruth M Reeder, Laura K Holden
OBJECTIVES: At a minimum, unilateral hearing loss (UHL) impairs sound localization ability and understanding speech in noisy environments, particularly if the loss is severe to profound. Accompanying the numerous negative consequences of UHL is considerable unexplained individual variability in the magnitude of its effects. Identification of covariables that affect outcome and contribute to variability in UHLs could augment counseling, treatment options, and rehabilitation. Cochlear implantation as a treatment for UHL is on the rise yet little is known about factors that could impact performance or whether there is a group at risk for poor cochlear implant outcomes when hearing is near-normal in one ear...
November 4, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/28007526/noise-induced-cochlear-synaptopathy-past-findings-and-future-studies
#4
REVIEW
Megan Kobel, Colleen G Le Prell, Jennifer Liu, John W Hawks, Jianxin Bao
For decades, we have presumed the death of hair cells and spiral ganglion neurons are the main cause of hearing loss and difficulties understanding speech in noise, but new findings suggest synapse loss may be the key contributor. Specifically, recent preclinical studies suggest that the synapses between inner hair cells and spiral ganglion neurons with low spontaneous rates and high thresholds are the most vulnerable subcellular structures, with respect to insults during aging and noise exposure. This cochlear synaptopathy can be "hidden" because this synaptic loss can occur without permanent hearing threshold shifts...
December 19, 2016: Hearing Research
https://www.readbyqxmd.com/read/28005723/light-driven-contact-hearing-aid-for-broad-spectrum-amplification-safety-and-effectiveness-pivotal-study
#5
Bruce J Gantz, Rodney Perkins, Michael Murray, Suzanne Carr Levy, Sunil Puria
OBJECTIVE: Demonstrate safety and effectiveness of the light-driven contact hearing aid to support FDA clearance. STUDY DESIGN: A single-arm, open-label investigational-device clinical trial. SETTING: Two private-practice and one hospital-based ENT clinics. PATIENTS: Forty-three subjects (86 ears) with mild-to-severe bilateral sensorineural hearing impairment. INTERVENTION: Bilateral amplification delivered via a light-driven contact hearing aid comprising a Tympanic Lens (Lens) with a customized platform to directly drive the umbo and a behind-the-ear sound processor (Processor) that encodes sound into light pulses to wirelessly deliver signal and power to the Lens...
December 21, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/28005070/auditory-biological-marker-of-concussion-in-children
#6
Nina Kraus, Elaine C Thompson, Jennifer Krizman, Katherine Cook, Travis White-Schwoch, Cynthia R LaBella
Concussions carry devastating potential for cognitive, neurologic, and socio-emotional disease, but no objective test reliably identifies a concussion and its severity. A variety of neurological insults compromise sound processing, particularly in complex listening environments that place high demands on brain processing. The frequency-following response captures the high computational demands of sound processing with extreme granularity and reliably reveals individual differences. We hypothesize that concussions disrupt these auditory processes, and that the frequency-following response indicates concussion occurrence and severity...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27991470/air-traffic-controllers-long-term-speech-in-noise-training-effects-a-control-group-study
#7
Maria T P Zaballos, Daniel P Plasencia, María L Z González, Angel R de Miguel, Ángel R Macías
INTRODUCTION: Speech perception in noise relies on the capacity of the auditory system to process complex sounds using sensory and cognitive skills. The possibility that these can be trained during adulthood is of special interest in auditory disorders, where speech in noise perception becomes compromised. Air traffic controllers (ATC) are constantly exposed to radio communication, a situation that seems to produce auditory learning. The objective of this study has been to quantify this effect...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991462/application-of-the-online-hearing-screening-test-earcheck-speech-intelligibility-in-noise-in-teenagers-and-young-adults
#8
Marya Sheikh Rashid, Monique C J Leensen, Wouter A Dreschler
OBJECTIVE: The objective was to describe the speech intelligibility in noise test results among Dutch teenagers and young adults aged 12-24 years, using a national online speech reception threshold (SRT) test, the Earcheck. A secondary objective was to assess the effect of age and gender on speech intelligibility in noise. DESIGN: Cross-sectional SRT data were collected over a 5-year period (2010-2014), from participants of Earcheck. Regression analyses were performed, with SRT as the dependent variable, and age and gender as explaining variables...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27990724/audio-visual-speech-in-noise-perception-in-dyslexia
#9
Thijs van Laarhoven, Mirjam Keetels, Lemmy Schakel, Jean Vroomen
Individuals with developmental dyslexia (DD) may experience, besides reading problems, other speech-related processing deficits. Here, we examined the influence of visual articulatory information (lip-read speech) at various levels of background noise on auditory word recognition in children and adults with DD. We found that children with a documented history of DD have deficits in their ability to gain benefit from lip-read information that disambiguates noise-masked speech. We show with another group of adult individuals with DD that these deficits persist into adulthood...
December 18, 2016: Developmental Science
https://www.readbyqxmd.com/read/27936212/effect-of-simultaneous-bilingualism-on-speech-intelligibility-across-different-masker-types-modalities-and-signal-to-noise-ratios-in-school-age-children
#10
Rachel Reetzke, Boji Pak-Wing Lam, Zilong Xie, Li Sheng, Bharath Chandrasekaran
Recognizing speech in adverse listening conditions is a significant cognitive, perceptual, and linguistic challenge, especially for children. Prior studies have yielded mixed results on the impact of bilingualism on speech perception in noise. Methodological variations across studies make it difficult to converge on a conclusion regarding the effect of bilingualism on speech-in-noise performance. Moreover, there is a dearth of speech-in-noise evidence for bilingual children who learn two languages simultaneously...
2016: PloS One
https://www.readbyqxmd.com/read/27914434/long-term-musical-experience-and-auditory-and-visual-perceptual-abilities-under-adverse-conditions
#11
Esperanza M Anaya, David B Pisoni, William G Kronenberger
Musicians have been shown to have enhanced speech perception in noise skills. It is unclear whether these improvements are limited to the auditory modality, as no research has examined musicians' visual perceptual abilities under degraded conditions. The current study examined associations between long-term musical experience and visual perception under noisy or degraded conditions. The performance of 11 musicians and 11 age-matched nonmusicians was compared on several auditory and visual perceptions in noise measures...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27913315/speech-enhancement-based-on-neural-networks-improves-speech-intelligibility-in-noise-for-cochlear-implant-users
#12
Tobias Goehring, Federico Bolner, Jessica J M Monaghan, Bas van Dijk, Andrzej Zarowski, Stefan Bleeck
Speech understanding in noisy environments is still one of the major challenges for cochlear implant (CI) users in everyday life. We evaluated a speech enhancement algorithm based on neural networks (NNSE) for improving speech intelligibility in noise for CI users. The algorithm decomposes the noisy speech signal into time-frequency units, extracts a set of auditory-inspired features and feeds them to the neural network to produce an estimation of which frequency channels contain more perceptually important information (higher signal-to-noise ratio, SNR)...
November 30, 2016: Hearing Research
https://www.readbyqxmd.com/read/27893791/toward-a-nonspeech-test-of-auditory-cognition-semantic-context-effects-in-environmental-sound-identification-in-adults-of-varying-age-and-hearing-abilities
#13
Valeriy Shafiro, Stanley Sheft, Molly Norris, George Spanos, Katherine Radasevich, Paige Formsma, Brian Gygi
OBJECTIVE: Sounds in everyday environments tend to follow one another as events unfold over time. The tacit knowledge of contextual relationships among environmental sounds can influence their perception. We examined the effect of semantic context on the identification of sequences of environmental sounds by adults of varying age and hearing abilities, with an aim to develop a nonspeech test of auditory cognition. METHOD: The familiar environmental sound test (FEST) consisted of 25 individual sounds arranged into ten five-sound sequences: five contextually coherent and five incoherent...
2016: PloS One
https://www.readbyqxmd.com/read/27864051/individual-differences-in-speech-in-noise-perception-parallel-neural-speech-processing-and-attention-in-preschoolers
#14
Elaine C Thompson, Kali Woodruff Carr, Travis White-Schwoch, Sebastian Otto-Meyer, Nina Kraus
From bustling classrooms to unruly lunchrooms, school settings are noisy. To learn effectively in the unwelcome company of numerous distractions, children must clearly perceive speech in noise. In older children and adults, speech-in-noise perception is supported by sensory and cognitive processes, but the correlates underlying this critical listening skill in young children (3-5 year olds) remain undetermined. Employing a longitudinal design (two evaluations separated by ∼12 months), we followed a cohort of 59 preschoolers, ages 3...
February 2017: Hearing Research
https://www.readbyqxmd.com/read/27849248/what-we-know-of-the-central-auditory-disorders-in-children-exposed-to-alcohol-during-pregnancy-systematic-review
#15
REVIEW
Humberto de Oliveira Simões, Sthella Zanchetta, Erikson Felipe Furtado
Purpose: To identify the effects of alcohol intake during pregnancy on the central auditory nervous system in relation to their possible diagnosis, Fetal Alcohol Syndrome, partial Fetal Alcohol Syndrome, Alcohol-Related Birth Defects and Alcohol-Related Neurodevelopmental Disorder, his extension and the hearing assessment method. Research strategy: Systematic and integrative review searched the databases PubMed, LILACS and SciELO, with terms in Portuguese and English "fetal alcohol syndrome", "alcohol-related disorders" associated with "hearing"...
September 2016: CoDAS
https://www.readbyqxmd.com/read/27846038/comparison-of-speech-in-noise-and-localization-benefits-in-unilateral-hearing-loss-subjects-using-contralateral-routing-of-signal-hearing-aids-or-bone-anchored-implants
#16
Hillary A Snapp, Fred D Holt, Xuezhong Liu, Suhrud M Rajguru
OBJECTIVE: To compare the benefit of wireless contralateral routing of signal (CROS) technology to bone-anchored implant (BAI) technology in monaural listeners. STUDY DESIGN: Prospective, single-subject. SETTING: Tertiary academic referral center. PATIENTS: Adult English speaking subjects using either a CROS hearing aid or BAI as treatment for unilateral severe-profound hearing loss. INTERVENTIONS: Aided performance utilizing the subjects BAI or CROS hearing device...
January 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/27824733/outcomes-of-bone-anchored-hearing-aids-baha-for-single-sided-deafness-in-nontraditional-candidates
#17
Seth R Schwartz, Deborah Kobylk
OBJECTIVE: To assess both quality of life (QOL) and hearing outcomes in bone anchored hearing aid (BAHA) users for single sided deafness with 1) less than total hearing loss in the deaf ear, or 2) some degree of hearing loss in the better ear and compare them to traditional candidates. STUDY DESIGN: Prospective comparative cohort study. SETTING: Tertiary referral center. PATIENTS: Patients with a BAHA for single sided deafness were assigned into groups based on hearing thresholds in the deaf ear (> or <90 dBHL) and the control ear (> or <25 dBHL)...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27815547/a-profiling-system-for-the-assessment-of-individual-needs-for-rehabilitation-with-hearing-aids
#18
Wouter A Dreschler, I de Ronde-Brons
This study focuses on the development of a profiling system to specify the needs of hearing-aid candidates. As a basis for the profile of compensation needs, we used a slightly modified version of the Amsterdam Inventory of Disability and Handicap, combined with the well-known Client-Oriented Scale of Improvement (COSI). The first questionnaire results in scores for six audiological dimensions: detection, speech in quiet, speech in noise, localization, focus or discrimination, and noise tolerance. The goal of this study was to determine whether the six dimensions derived from the disability questionnaire are appropriate to also categorize individual COSI targets...
November 4, 2016: Trends in Hearing
https://www.readbyqxmd.com/read/27814664/preliminary-investigation-of-the-passively-evoked-n400-as-a-tool-for-estimating-speech-in-noise-thresholds
#19
Caroline Jamison, Steve J Aiken, Michael Kiefte, Aaron J Newman, Manohar Bance, Lauren Sculthorpe-Petley
Purpose: Speech-in-noise testing relies on a number of factors beyond the auditory system, such as cognitive function, compliance, and motor function. It may be possible to avoid these limitations by using electroencephalography. The present study explored this possibility using the N400. Method: Eleven adults with typical hearing heard high-constraint sentences with congruent and incongruent terminal words in the presence of speech-shaped noise. Participants ignored all auditory stimulation and watched a video...
December 1, 2016: American Journal of Audiology
https://www.readbyqxmd.com/read/27810845/comparison-of-regularity-detection-between-individuals-with-and-without-speech-in-noise-problems-using-electrophysiological-methods
#20
Mehmet Yaralı, Süha Yağcıoğlu, Ayşe Gül Güven, Songül Aksoy
OBJECTIVE: To analyze the cortical representations of auditory regularities and the relation between these representations and speech-in-noise (SIN) abilities and to compare two groups of participants with different SIN abilities on these cortical measures. MATERIALS AND METHODS: In total, 22 participants aged 20-40 years with normal hearing and without noise exposure, brain stem level-processing issues, neurological/psychiatric issues, or related medication were presented with three different stimuli resembling auditory regularities appearing after random sounds as well as a random series of sounds...
August 1, 2016: Journal of International Advanced Otology
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