Bilingualism's Effects on Resting-State Functional Connectivity in Mild Cognitive Impairment
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Otros documentos de la autoría: Marin-Marin, Lidón; Palomar-García, María-Ángeles; Miró-Padilla, Anna; Adrián-Ventura, Jesús; Aguirre, Naiara; Villar-Rodríguez, Esteban; Costumero, Víctor
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/8033
comunitat-uji-handle3:10234/8636
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Título
Bilingualism's Effects on Resting-State Functional Connectivity in Mild Cognitive ImpairmentAutoría
Fecha de publicación
2021-01-21Editor
Mary Ann LiebertISSN
2158-0014; 2158-0022Cita bibliográfica
Lidón Marin-Marin, María-Ángeles Palomar-García, Anna Miró-Padilla, Jesús Adrián-Ventura, Naiara Aguirre, Esteban Villar-Rodríguez, and Victor Costumero.Brain Connectivity. http://doi.org/10.1089/brain.2020.0877Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.liebertpub.com/doi/abs/10.1089/brain.2020.0877Versión
info:eu-repo/semantics/submittedVersionPalabras clave / Materias
Resumen
Background: Bilingualism is considered a cognitive reserve (CR) factor, due to the delay in the onset of dementia in bilinguals compared with monolinguals. Two neural mechanisms have been suggested to underlie CR: ... [+]
Background: Bilingualism is considered a cognitive reserve (CR) factor, due to the delay in the onset of dementia in bilinguals compared with monolinguals. Two neural mechanisms have been suggested to underlie CR: neural reserve and neural compensation. However, it is still unclear how bilingualism contributes to these mechanisms.
Methods: In this study, we used cognitive tests, functional connectivity (FC), regional homogeneity, and fractional amplitude of low-frequency fluctuations (fALFF) measures to study resting-state brain patterns in a sample of bilingual and monolingual subjects with mild cognitive impairment.
Results: We found no significant differences between the groups in age, sex, education, or cognitive level, but bilinguals showed higher FC than monolinguals between the posterior part of the superior temporal gyrus and the precuneus, positively correlated with Mini-Mental State Examination scores, and higher fALFF in the thalamus bilaterally.
Conclusions: Our results suggest that bilingualism may act as a CR factor that protects against dementia through neural compensation. [-]
Descripción
Final publication is available from Mary Ann Liebert, Inc., publishers https://doi.org/10.1089/brain.2020.0877
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Brain Connectivity, 2021Entidad financiadora
Fundació Marató TV3: 201410-30-31; Spanish Ministry of Education, Culture and Sports; Ministry of Science, Innovation and Universities; Spanish Ministry of Economy, Industry and Competitiveness: IJCI-2016-29247
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© Copyright Mary Ann Liebert, Inc., publishers
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