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Simple Search
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)
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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
;
Kraus, Nina
. - 2012
Abstract:
Older adults frequently report they can hear what is said but cannot understand the meaning, especially in noise. This difficulty may arise from the inability to process rapidly changing elements of speech. Aging is accompanied by a general slowing of neural processing and decreased neural inhibition, both of which likely interfere with temporal processing in auditory and other sensory domains. Age-related reductions in inhibitory neurotransmitter levels and delayed neural recovery can contribute to decreases in the auditory system’s temporal precision. Decreased precision may lead to neural timing delays, reductions in neural response magnitude, and a disadvantage in processing the rapid acoustic changes in speech. The auditory brainstem response (ABR), a scalp-recorded electrical potential, is known for its ability to capture precise neural synchrony within subcortical auditory nuclei; therefore, we hypothesized that a loss of temporal precision results in subcortical timing delays and decreases in response consistency and magnitude. To assess this hypothesis, we recorded ABRs to the speech syllable /da/ in normal hearing younger (ages 18 to 30) and older adult humans (60 to 67). Older adults had delayed ABRs, especially in response to the rapidly changing formant transition, and greater response variability. We also found that older adults had decreased phase locking and smaller response magnitudes than younger adults. Taken together, our results support the theory that older adults have a loss of temporal precision in subcortical encoding of sound, which may account, at least in part, for their difficulties with speech perception.
Keyword:
Article
URL:
https://doi.org/10.1523/JNEUROSCI.2176-12.2012
http://www.ncbi.nlm.nih.gov/pubmed/23055485
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3488287
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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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