Bilingualism protects anterior temporal lobe integrity in aging
作者： Jubin Abutalebi , Matteo Canini , Pasquale A Della Rosa , Lo Ping Sheung , David W Green
DOI: 10.1016/J.NEUROBIOLAGING.2014.03.010
关键词: Audiology 、 Communication 、 Protective factor 、 Comprehension 、 Psychology 、 Normal aging 、 Speech production 、 Neuroscience of multilingualism 、 Anterior temporal lobe 、 Region of interest 、 Language proficiency
摘要: Cerebral gray-matter volume (GMV) decreases in normal aging but the extent of decrease may be experience-dependent. Bilingualism one protective factor and this article we examine its potential effect on GMV a region that shows strong age-related decreases-the left anterior temporal pole. This is held to function as conceptual hub might expected target plastic changes bilingual speakers because requirement for these store differentiate lexical concepts 2 languages guide speech production comprehension processes. In whole brain comparison (n = 23) monolingual 23), regressing out confounding factors, find more extensive significantly increased pole speakers. Consistent with specific neuroprotective bilingualism, interest analyses showed significant positive correlation between naming performance second language region. The appears bilateral though there was nonsignificantly different right Our data emphasize vulnerability value bilingualism both general healthy aging.
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