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Early deafness leads to re-shaping of functional connectivity beyond the auditory cortex

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cris.lastimport.scopus2024-02-12T19:01:11Z
dc.abstract.enEarly sensory deprivation, such as deafness, shapes brain development in multiple ways. Deprived auditory areas become engaged in the processing of stimuli from the remaining modalities and in high-level cognitive tasks. Yet, structural and functional changes were also observed in non-deprived brain areas, which may suggest the whole-brain network changes in deaf individuals. To explore this possibility, we compared the resting-state functional network organization of the brain in early deaf adults and hearing controls and examined global network segregation and integration. Relative to hearing controls, deaf adults exhibited decreased network segregation and an altered modular structure. In the deaf, regions of the salience network were coupled with the fronto-parietal network, while in the hearing controls, they were coupled with other large-scale networks. Deaf adults showed weaker connections between auditory and somatomotor regions, stronger coupling between the fronto-parietal network and several other large-scale networks (visual, memory, cingulo-opercular and somatomotor), and an enlargement of the default mode network. Our findings suggest that brain plasticity in deaf adults is not limited to changes in the auditory cortex but additionally alters the coupling between other large-scale networks and the development of functional brain modules. These widespread functional connectivity changes may provide a mechanism for the superior behavioral performance of the deaf in visual and attentional tasks.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorDuch, Włodzisław
dc.contributor.authorSzul, Maciej
dc.contributor.authorBola, Lukasz
dc.contributor.authorZimmermann, Maria
dc.contributor.authorFinc, Karolina
dc.contributor.authorBonna, Kamil
dc.contributor.authorJednoróg, Katarzyna
dc.contributor.authorMarchewka, Artur
dc.contributor.authorSzwed, Marcin
dc.contributor.authorMostowski, Piotr
dc.contributor.authorRutkowski, Paweł
dc.date.accessioned2024-01-24T22:24:50Z
dc.date.available2024-01-24T22:24:50Z
dc.date.copyright2020-08-20
dc.date.issued2020
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.versionFINAL_PUBLISHED
dc.description.volume14
dc.identifier.doi10.1007/S11682-020-00346-Y
dc.identifier.issn1931-7557
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/105600
dc.identifier.weblinkhttps://doi.org/10.1007/s11682-020-00346-y
dc.languageeng
dc.pbn.affiliationlinguistics
dc.relation.ispartofBrain Imaging and Behavior
dc.relation.pages1-14
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleEarly deafness leads to re-shaping of functional connectivity beyond the auditory cortex
dc.typeJournalArticle
dspace.entity.typePublication