Sensory experience modulates the reorganization of auditory regions for executive processing.
auditory cortex
deafness
executive function
Journal
Brain : a journal of neurology
ISSN: 1460-2156
Titre abrégé: Brain
Pays: England
ID NLM: 0372537
Informations de publication
Date de publication:
21 10 2022
21 10 2022
Historique:
received:
26
01
2022
revised:
20
04
2022
accepted:
20
05
2022
pubmed:
3
6
2022
medline:
26
10
2022
entrez:
2
6
2022
Statut:
ppublish
Résumé
Crossmodal plasticity refers to the reorganization 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 functional MRI, we investigated how early deafness influences crossmodal plasticity and the organization 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 reorganization. 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.
Identifiants
pubmed: 35653493
pii: 6599026
doi: 10.1093/brain/awac205
pmc: PMC9586534
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
3698-3710Subventions
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/P019994
Pays : United Kingdom
Informations de copyright
© The Author(s) 2022. Published by Oxford University Press on behalf of the Guarantors of Brain.
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