Bilingualism's Effects on Resting-State Functional Connectivity in Mild Cognitive Impairment
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/8033
comunitat-uji-handle3:10234/8636
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INVESTIGACIONMetadata
Title
Bilingualism's Effects on Resting-State Functional Connectivity in Mild Cognitive ImpairmentAuthor (s)
Date
2021-01-21Publisher
Mary Ann LiebertISSN
2158-0014; 2158-0022Bibliographic citation
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.2020.0877Type
info:eu-repo/semantics/articlePublisher version
https://www.liebertpub.com/doi/abs/10.1089/brain.2020.0877Version
info:eu-repo/semantics/submittedVersionSubject
Abstract
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. [-]
Description
Final publication is available from Mary Ann Liebert, Inc., publishers https://doi.org/10.1089/brain.2020.0877
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Brain Connectivity, 2021Funder Name
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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