Matches in SemOpenAlex for { <https://semopenalex.org/work/W2444494065> ?p ?o ?g. }
- W2444494065 abstract "As people age, speech perception problems become highly prevalent, especially in noisy situations. In addition to peripheral hearing and cognition, temporal processing plays a key role in speech perception. Temporal processing of speech features is mediated by synchronized activity of neural oscillations in the central auditory system. Previous studies indicate that both the degree and hemispheric lateralization of synchronized neural activity relate to speech perception performance. Based on these results, we hypothesize that impaired speech perception in older persons may, in part, originate from deviances in neural synchronization. In this study, auditory steady-state responses that reflect synchronized activity of theta, beta, low and high gamma oscillations (i.e., 4, 20, 40, and 80 Hz ASSR, respectively) were recorded in young, middle-aged, and older persons. As all participants had normal audiometric thresholds and were screened for (mild) cognitive impairment, differences in synchronized neural activity across the three age groups were likely to be attributed to age. Our data yield novel findings regarding theta and high gamma oscillations in the aging auditory system. At an older age, synchronized activity of theta oscillations is increased, whereas high gamma synchronization is decreased. In contrast to young persons who exhibit a right hemispheric dominance for processing of high gamma range modulations, older adults show a symmetrical processing pattern. These age-related changes in neural synchronization may very well underlie the speech perception problems in aging persons." @default.
- W2444494065 created "2016-06-24" @default.
- W2444494065 creator A5012524126 @default.
- W2444494065 creator A5045607533 @default.
- W2444494065 creator A5069178600 @default.
- W2444494065 creator A5086206448 @default.
- W2444494065 date "2016-06-15" @default.
- W2444494065 modified "2023-10-13" @default.
- W2444494065 title "Aging Affects Neural Synchronization to Speech-Related Acoustic Modulations" @default.
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