Dynamic effects of immersive bilingualism on cortical and subcortical grey matter volumes
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Títol
Dynamic effects of immersive bilingualism on cortical and subcortical grey matter volumesData de publicació
2022ISSN
1664-1078Cita bibliogràfica
Marin-Marin L, Costumero V, Ávila C and Pliatsikas C (2022) Dynamic Effects of Immersive Bilingualism on Cortical and Subcortical Grey Matter Volumes. Front. Psychol. 13:886222. doi: 10.3389/fpsyg.2022.886222Tipus de document
info:eu-repo/semantics/articleVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Bilingualism has been shown to induce neuroplasticity in the brain, but conflicting
evidence regarding its specific effects in grey matter continues to emerge, probably
due to methodological differences between ... [+]
Bilingualism has been shown to induce neuroplasticity in the brain, but conflicting
evidence regarding its specific effects in grey matter continues to emerge, probably
due to methodological differences between studies, as well as approaches that may
miss the variability and dynamicity of bilingual experience. In our study, we devised a
continuous score of bilingual experiences and we investigated their non-linear effects on
regional GM volume in a sample of young healthy participants from an immersive and
naturalistic bilingual environment. We focused our analyses on cortical and subcortical
regions that had been previously proposed as part of the bilingual speech pipeline
and language control network. Our results showed a non-linear relationship between
bilingualism score and grey matter volume of the inferior frontal gyrus. We also found
linear increases in volumes of putamen and cerebellum as a function of bilingualism
score. These results go in line with predictions for immersive and naturalistic bilingual
environments with increased intensity and diversity of language use and provide further
evidence supporting the dynamicity of bilingualism’s effects on brain structure. [-]
Publicat a
Frontiers in Psychology 13:886222Entitat finançadora
Research Agency of the Spanish Ministry of Science and Innovation | Spanish Ministry of Education, Culture and Sports
Codi del projecte o subvenció
PID2019-105077RJ-I00 | (MICINN/AEI) /10.13039/501100011033 | FPU 17/00698
Drets d'accés
info:eu-repo/semantics/openAccess
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