Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals

Subcortical structures implicated in language control and processing adapt structurally with increasing language experience. However, the adaptation patterns across different subcortical structures remain unclear. Previous findings from bilinguals and multilinguals reveal renormalisation patterns, l...

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Main Authors: Yee, Jia'en, Yap, Ngee Thai, Korenar, Michal, Saddy, James Douglas, Pliatsikas, Christos
Format: Article
Language:English
Published: Cambridge University Press 2023
Online Access:http://psasir.upm.edu.my/id/eprint/110371/
http://psasir.upm.edu.my/id/eprint/110371/1/110371.pdf
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author Yee, Jia'en
Yap, Ngee Thai
Korenar, Michal
Saddy, James Douglas
Pliatsikas, Christos
author_facet Yee, Jia'en
Yap, Ngee Thai
Korenar, Michal
Saddy, James Douglas
Pliatsikas, Christos
author_sort Yee, Jia'en
building UPM Institutional Repository
collection Online Access
description Subcortical structures implicated in language control and processing adapt structurally with increasing language experience. However, the adaptation patterns across different subcortical structures remain unclear. Previous findings from bilinguals and multilinguals reveal renormalisation patterns, lending support to the Dynamic Restructuring Model (Pliatsikas, 2020). These patterns comprise of increasing volumes during the initial stages of language learning, and subsequent reductions as experience increases. T1-weighted images from 14 English monolinguals, 14 bilinguals, 14 trilinguals, and 14 quadrilinguals were obtained. The volumes of five subcortical regions implicated in language control and processing were compared amongst the groups. The findings showed group differences for every structure - caudate nucleus, nucleus accumbens, putamen, globus pallidus and thalamus. Complex patterns were unveiled for each structure, suggesting expansions and renormalisations that differ in trajectory for each group. These findings highlight the dynamic progression of subcortical adaptations, and support the notion of structural renormalisation as language experience grows.
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spelling upm-1103712024-10-16T02:06:05Z http://psasir.upm.edu.my/id/eprint/110371/ Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals Yee, Jia'en Yap, Ngee Thai Korenar, Michal Saddy, James Douglas Pliatsikas, Christos Subcortical structures implicated in language control and processing adapt structurally with increasing language experience. However, the adaptation patterns across different subcortical structures remain unclear. Previous findings from bilinguals and multilinguals reveal renormalisation patterns, lending support to the Dynamic Restructuring Model (Pliatsikas, 2020). These patterns comprise of increasing volumes during the initial stages of language learning, and subsequent reductions as experience increases. T1-weighted images from 14 English monolinguals, 14 bilinguals, 14 trilinguals, and 14 quadrilinguals were obtained. The volumes of five subcortical regions implicated in language control and processing were compared amongst the groups. The findings showed group differences for every structure - caudate nucleus, nucleus accumbens, putamen, globus pallidus and thalamus. Complex patterns were unveiled for each structure, suggesting expansions and renormalisations that differ in trajectory for each group. These findings highlight the dynamic progression of subcortical adaptations, and support the notion of structural renormalisation as language experience grows. Cambridge University Press 2023-12 Article PeerReviewed text en cc_by_4 http://psasir.upm.edu.my/id/eprint/110371/1/110371.pdf Yee, Jia'en and Yap, Ngee Thai and Korenar, Michal and Saddy, James Douglas and Pliatsikas, Christos (2023) Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals. Bilingualism-Language and Cognition, 1 (1). pp. 1-14. ISSN 1366-7289; eISSN: 1469-1841 https://www.cambridge.org/core/journals/bilingualism-language-and-cognition/article/subcortical-restructuring-as-a-function-of-multilingualism-insights-from-monolinguals-bilinguals-trilinguals-and-quadrilinguals/0759D21F3C62DD79D64BE73C7B0B7FAA 10.1017/s136672892300086x
spellingShingle Yee, Jia'en
Yap, Ngee Thai
Korenar, Michal
Saddy, James Douglas
Pliatsikas, Christos
Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title_full Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title_fullStr Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title_full_unstemmed Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title_short Subcortical restructuring as a function of multilingualism: Insights from monolinguals, bilinguals, trilinguals and quadrilinguals
title_sort subcortical restructuring as a function of multilingualism: insights from monolinguals, bilinguals, trilinguals and quadrilinguals
url http://psasir.upm.edu.my/id/eprint/110371/
http://psasir.upm.edu.my/id/eprint/110371/
http://psasir.upm.edu.my/id/eprint/110371/
http://psasir.upm.edu.my/id/eprint/110371/1/110371.pdf