Japanese

Multilingualism and the Development of the Brain Keita Umejima 1 , Kuniyoshi L. Sakai 1 1Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo Keyword: 多言語 , 方言 , 文法 , 言語野 , multilingualism , dialects , syntax , language areas pp.203-210
Published Date 2021/3/1
DOI https://doi.org/10.11477/mf.1416201741
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Abstract

Multilingualism is merely a parametric variation in the faculty of natural language, and it is possible to simultaneously acquire multiple languages, including dialects, at any age. While acquisition of a native language, which occurs in synchrony with development of the brain, is a multiple-step process, second language acquisition is continuous. Here, we introduce the Cumulative-Enhancement model, which states that acquisition of one additional language is beneficial for the subsequent acquisition of another. We further discuss how syntax-related networks, including multiple language areas in the brain, become functional during the course of language acquisition.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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