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  Relations between hemispheric asymmetries of grey matter and auditory processing of spoken syllables in 281 healthy adults

Guadalupe, T., Kong, X., Akkermans, S. E. A., Fisher, S. E., & Francks, C. (2022). Relations between hemispheric asymmetries of grey matter and auditory processing of spoken syllables in 281 healthy adults. Brain Structure & Function, 227, 561-572. doi:10.1007/s00429-021-02220-z.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-D9A2-E Version Permalink: https://hdl.handle.net/21.11116/0000-000A-13E4-F
Genre: Journal Article

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This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
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 Creators:
Guadalupe, Tulio1, Author           
Kong, Xiangzhen1, 2, Author           
Akkermans, Sophie E. A.3, 4, Author
Fisher, Simon E.1, 3, Author           
Francks, Clyde1, 3, 5, Author           
Affiliations:
1Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society, ou_792549              
2Zhejiang University , Hangzhou, China, ou_persistent22              
3Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
4Radboud University Medical Center, Nijmegen, The Netherlands, ou_persistent22              
5Imaging Genomics, MPI for Psycholinguistics, Max Planck Society, Wundtlaan 1, 6525 XD Nijmegen, NL, ou_2579692              

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 Abstract: Most people have a right-ear advantage for the perception of spoken syllables, consistent with left hemisphere dominance for speech processing. However, there is considerable variation, with some people showing left-ear advantage. The extent to which this variation is reflected in brain structure remains unclear. We tested for relations between hemispheric asymmetries of auditory processing and of grey matter in 281 adults, using dichotic listening and voxel-based morphometry. This was the largest study of this issue to date. Per-voxel asymmetry indexes were derived for each participant following registration of brain magnetic resonance images to a template that was symmetrized. The asymmetry index derived from dichotic listening was related to grey matter asymmetry in clusters of voxels corresponding to the amygdala and cerebellum lobule VI. There was also a smaller, non-significant cluster in the posterior superior temporal gyrus, a region of auditory cortex. These findings contribute to the mapping of asymmetrical structure–function links in the human brain and suggest that subcortical structures should be investigated in relation to hemispheric dominance for speech processing, in addition to auditory cortex.

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Language(s): eng - English
 Dates: 2021-01-272022
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s00429-021-02220-z
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Title: Brain Structure & Function
  Abbreviation : Brain Struct Funct
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: - Volume / Issue: 227 Sequence Number: - Start / End Page: 561 - 572 Identifier: ISSN: 1863-2653
CoNE: https://pure.mpg.de/cone/journals/resource/1863-2653