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Revitalizing Endangered Languages

Edited by Justyna Olko & Julia Sallabank

Revitalizing Endangered Languages "This guidebook provides ideas and strategies, as well as some background, to help with the effective revitalization of endangered languages. It covers a broad scope of themes including effective planning, benefits, wellbeing, economic aspects, attitudes and ideologies."

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Academic Paper

Title: Enhancement of posterior brain functional networks in bilingual older adults
Author: Jaisalmer Frutos-Lucas
Author: David López-Sanz
Author: Pablo Cuesta
Author: Ricardo Bruña
Author: Sofía Fuente
Author: Noelia Serrano
Author: María López
Author: María Delgado-Losada
Author: Ramón López-Higes
Author: Alberto Marcos
Author: Fernando Maestú
Linguistic Field: Cognitive Science; Linguistic Theories; Psycholinguistics
Bilingualism has been said to improve cognition and even delay the onset of Alzheimer's disease (AD). This research aimed to investigate whether bilingualism leaves a neurophysiological trace even when people are highly educated. We expected bilinguals to present better preserved brain functional networks, which could be a trace of higher cognitive reserve. With this purpose, we conducted a magnetoencephalographic study with a group of healthy older adults. We estimated functional connectivity using phase-locking value and found five clusters in parieto-occipital regions in which bilinguals exhibited greater functional connectivity than monolinguals. These clusters included brain regions typically implicated in language processing. Furthermore, these functional changes correlated with caudate volumes (a key region in language shifting and control) in the bilingual sample. Interestingly, decreased Functional Connectivity between posterior brain regions had already been identified as an indicator of aging/preclinical AD but, according to our study, bilingualism seems to exert the opposite effect.


This article appears IN Bilingualism: Language and Cognition Vol. 23, Issue 2, which you can READ on Cambridge's site .

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