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Hits 1 – 16 of 16
1
Peripheral deficits and phase-locking declines in aging adults
Anderson, Samira
;
Bieber, Rebecca
;
Schloss, Alanna
In: Hear Res (2021)
Abstract:
Age-related difficulties in speech understanding may arise from a decrease in the neural representation of speech sounds. A loss of outer hair cells or decrease in auditory nerve fibers may lead to a loss of temporal precision that can affect speech clarity. This study’s purpose was to evaluate the peripheral contributors to phase-locking strength, a measure of temporal precision, in recordings to a sustained vowel in 30 younger and 30 older listeners with normal to near normal audiometric thresholds. Thresholds were obtained for pure tones and distortion-product otoacoustic emissions (DPOAEs). Auditory brainstem responses (ABRs) were recorded in quiet and in three levels of continuous white noise (+30, +20, and +10 dB SNR). Absolute amplitudes and latencies of Wave I in quiet and of Wave V across presentation conditions, in addition to the slope of Wave V amplitude and latency changes in noise, were calculated from these recordings. Frequency-following responses (FFRs) were recorded to synthesized /ba/ syllables of two durations, 170 and 260 ms, to determine whether age-related phase-locking deficits are more pronounced for stimuli that are sustained for longer durations. Phase locking was calculated for the early and late regions of the steady-state vowel for both syllables. Group differences were found for nearly every measure except for the slopes of Wave V latency and amplitude changes in noise. We found that outer hair cell function (DPOAEs) contributed to the variance in phase locking. However, the ABR and FFR differences were present after covarying for DPOAEs, suggesting the existence of temporal processing deficits in older listeners that are somewhat independent of outer hair cell function.
Keyword:
Article
URL:
http://www.ncbi.nlm.nih.gov/pubmed/33581668
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7980782/
https://doi.org/10.1016/j.heares.2021.108188
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2
INFLUENCE OF SUPPORTIVE CONTEXT AND STIMULUS VARIABILITY ON RAPID ADAPTATION TO NON-NATIVE SPEECH
Bieber, Rebecca
. - 2021
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3
Effects of Age, Cognition, and Neural Encoding on the Perception of Temporal Speech Cues ...
Roque, Lindsey
;
Karawani, Hanin
;
Sandra, Gordon-Salant
. - : Frontiers Media, 2019
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4
Mutual information analysis of neural representations of speech in noise in the aging midbrain
Zan, Peng
;
Presacco, Alessandro
;
Anderson, Samira
...
In: J Neurophysiol (2019)
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5
Effects of Age, Cognition, and Neural Encoding on the Perception of Temporal Speech Cues
Roque, Lindsey
;
Karawani, Hanin
;
Sandra, Gordon-Salant
. - : Frontiers Media, 2019
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6
Effects of Amplification on Neural Phase Locking, Amplitude, and Latency to a Speech Syllable
Jenkins, Kimberly A.
;
Fodor, Calli
;
Presacco, Alessandro
. - 2018
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7
Short-term learning and memory:training and perceptual learning
Carcagno, Samuele
;
Plack, Christopher John
. - : Springer, 2017
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8
An Exploration of Auditory Brainstem Encoding of Stop Consonants in Infants and Implications for Language Outcomes
Rosner, Rachel Stein
. - 2016
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9
Electrophysiologic Assessment of Auditory Training Benefits in Older Adults
Anderson, Samira
;
Jenkins, Kimberly
. - : Thieme Medical Publishers, 2015
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10
Development of subcortical speech representation in human infants
Anderson, Samira
;
Parbery-Clark, Alexandra
;
White-Schwoch, Travis
. - : Acoustical Society of America, 2015
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11
Stability and Plasticity of Auditory Brainstem Function Across the Lifespan
Skoe, Erika
;
Krizman, Jennifer
;
Anderson, Samira
. - : Oxford University Press, 2015
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12
Training changes processing of speech cues in older adults with hearing loss
Anderson, Samira
;
White-Schwoch, Travis
;
Choi, Hee Jae
. - : Frontiers Media S.A., 2013
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13
Effects of hearing loss on the subcortical representation of speech cues
Anderson, Samira
;
Parbery-Clark, Alexandra
;
White-Schwoch, Travis
. - : Acoustical Society of America, 2013
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14
Aging affects neural precision of speech encoding
Anderson, Samira
;
Parbery-Clark, Alexandra
;
White-Schwoch, Travis
. - 2012
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15
Musical Experience and the Aging Auditory System: Implications for Cognitive Abilities and Hearing Speech in Noise
Parbery-Clark, Alexandra
;
Strait, Dana L.
;
Anderson, Samira
. - : Public Library of Science, 2011
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16
Brainstem Correlates of Speech-in-Noise Perception in Children
Anderson, Samira
;
Skoe, Erika
;
Chandrasekaran, Bharath
. - 2010
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