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Erschienen in: Brain Structure and Function 5/2021

11.04.2021 | Original Article

Reduced listener–speaker neural coupling underlies speech understanding difficulty in older adults

verfasst von: Lanfang Liu, Xiaowei Ding, Hehui Li, Qi Zhou, Dingguo Gao, Chunming Lu, Guosheng Ding

Erschienen in: Brain Structure and Function | Ausgabe 5/2021

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Abstract

An increasing number of studies have highlighted the importance of listener–speaker neural coupling in successful verbal communication. Whether the brain-to-brain coupling changes with healthy aging and the possible role of this change in the speech comprehension of older adults remain unexplored. In this study, we scanned with fMRI a young and an older speaker telling real-life stories and then played the audio recordings to a group of young (N = 28, aged 19–27 year) and a group of older adults during scanning (N = 27, aged 53–75 year), respectively. The older listeners understood the speech less well than did the young listeners, and the age of the older listeners was negatively correlated with their level of speech understanding. Compared to the young listener–speaker dyads, the older dyads exhibited reduced neural couplings in both linguistic and extra-linguistic areas. Moreover, within the older group, the listener’s age was negatively correlated with the overall strength of interbrain coupling, which in turn was associated with reduced speech understanding. These results reveal the deficits of older adults in achieving neural alignment with other brains, which may underlie the age-related decline in speech understanding.
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Metadaten
Titel
Reduced listener–speaker neural coupling underlies speech understanding difficulty in older adults
verfasst von
Lanfang Liu
Xiaowei Ding
Hehui Li
Qi Zhou
Dingguo Gao
Chunming Lu
Guosheng Ding
Publikationsdatum
11.04.2021
Verlag
Springer Berlin Heidelberg
Erschienen in
Brain Structure and Function / Ausgabe 5/2021
Print ISSN: 1863-2653
Elektronische ISSN: 1863-2661
DOI
https://doi.org/10.1007/s00429-021-02271-2

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