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Sensory experience modulates the reorganization of auditory regions for executive processing

Manini, Barbara; Vinogradova, Valeria; Woll, Bencie; Cameron, Donnie; Eimer, Martin; Cardin, Velia; (2022) Sensory experience modulates the reorganization of auditory regions for executive processing. Brain , Article awac205. 10.1093/brain/awac205. (In press). Green open access

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Abstract

Crossmodal plasticity refers to the reorganisation of sensory cortices in the absence of their typical main sensory input. Understanding this phenomenon provides insights into brain function and its potential for change and enhancement. Using fMRI, we investigated how early deafness influences crossmodal plasticity and the organisation of executive functions in the adult human brain. Deaf (N = 25; age: mean = 41.68, range = 19-66, SD = 14.38; 16 female, 9 male) and hearing (N = 20; age: mean= 37.50, range= 18-66, SD= 16.85; 15 female, 5 male) participants performed four visual tasks tapping into different components of executive processing: task switching, working memory, planning and inhibition. Our results show that deaf individuals specifically recruit "auditory" regions during task switching. Neural activity in superior temporal regions, most significantly in the right hemisphere, are good predictors of behavioural performance during task switching in the group of deaf individuals, highlighting the functional relevance of the observed cortical reorganisation. Our results show executive processing in typically sensory regions, suggesting that the development and ultimate role of brain regions are influenced by perceptual environmental experience.

Type: Article
Title: Sensory experience modulates the reorganization of auditory regions for executive processing
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/brain/awac205
Publisher version: https://doi.org/10.1093/brain/awac205
Language: English
Additional information: © The Author(s) 2022. Published by Oxford University Press on behalf of the Guarantors of Brain. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: auditory cortex, deafness, executive function
UCL classification: UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Experimental Psychology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10150322
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