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Japanese-English Bilingual Language Acquisition and Attrition - An fNIRS exploratory Study

Research Project

Project/Area Number 19H01291
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 02100:Foreign language education-related
Research InstitutionRitsumeikan University

Principal Investigator

TAURA Hideyuki  立命館大学, 言語教育情報研究科, 教授 (40313738)

Co-Investigator(Kenkyū-buntansha) 田浦 アマンダ  摂南大学, 国際学部, 准教授 (60388642)
ヒーリ サンドラ  京都工芸繊維大学, 基盤科学系, 准教授 (10460669)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2022: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2021: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Keywordsバイリンガリズム / 言語習得 / 言語喪失 / 言語脳科学 / 帰国生 / fNIRS / 表象言語 / コネクトーム / EEG / 眼球運動 / 言語習得と喪失 / 言語習得喪失モデル / 脳賦活 / 言語保持 / 表象言語バイリンガル
Outline of Research at the Start

日英バイリンガルの英語習得と喪失メカニズム解明を、言語側面と脳賦活の両面から行う研究である。英語習得データは英語圏在住で現地校に通いながら土曜日本語補習校にも通学する日本人児童・生徒から、英語の保持・喪失データは国内の英語保持教室に通う小中高帰国生から収集する。研究当初2年間で横断データ、それ以降は縦断データを収集し、言語習得・喪失メカニズムの一般化モデルを模索する。英語の口頭・書記データに加えて脳賦活データも収集する。表象言語とアルファベット言語の組み合わせである日英バイリンガル対象に、英語習得と喪失メカニズムを言語面・脳コネクトーム面から探る。

Outline of Final Research Achievements

The two findings were that (1) Japanese-English bilinguals who were born and raised in bilingual surroundings up to age 12 reached similar linguistic levels. However, J-E bilinguals brought up in the USA used less brain energy on English tasks while those raised in Japan expended less brain energy on Japanese tasks and (2) Japanese-English bilinguals who were raised and brought up in the USA up to age 12 showed attrition having taken place in their English in the second year back in Japan while those brought up in the USA until age 16 showed attrition in their English in the third year back in Japan.

Academic Significance and Societal Importance of the Research Achievements

上記結果は、この分野で全く先行研究のないバイリンガル対象の横断・縦断研究を言語面だけでなく脳賦活面で得られた点で、非常に大きな貢献となった。特に表象言語である日本語とアルファベット言語コンビネーションの日英早期バイリンガル対象の縦断研究である点と、脳賦活データも対象としている点で前例がない。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (22 results)

All 2023 2022 2021 2020 2019

All Journal Article (7 results) (of which Peer Reviewed: 3 results) Presentation (13 results) (of which Int'l Joint Research: 8 results) Book (2 results)

  • [Journal Article] Japanese High School Returnees' Identity: Translanguaging of the Mind, Body and Soul2022

    • Author(s)
      HEALY, Sandra and TAURA, Amanda
    • Journal Title

      立命館言語文化研究

      Volume: 34, 2 Pages: 183-193

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Studying Abroad and its Effects on L2 Brain Structures2022

    • Author(s)
      TAURA, Hideyuki
    • Journal Title

      JAAL in JACET (Japan Association of Applied Linguistics in Japan Association of College English Teachers) Proceedings

      Volume: 4 Pages: 16-23

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Effect of Fetal Language Experiences upon a Neonate's Perception of L1, L2, and Music: A Preliminary fNIRS Study2021

    • Author(s)
      TAURA, Hideyuki
    • Journal Title

      立命館言語文化研究

      Volume: 33, 2 Pages: 209-217

    • NAID

      120007181436

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Executive Control in Japanese English Bilingual Kindergartners in Comparison to Monolingual Japanese Children: A Neurocognitive Study2020

    • Author(s)
      TAURA Hideyuki, KUTUKI Aya, and TAURA Amanda
    • Journal Title

      Ritsumeikan Studies in Language and Culture

      Volume: 32 Pages: 1-12

    • NAID

      120006891060

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] バイリンガルの世界へようこそ(書評)2019

    • Author(s)
      田浦秀幸
    • Journal Title

      教育新聞

      Volume: 3388 Pages: 6-6

    • Related Report
      2019 Annual Research Report
  • [Journal Article] シンガポールでの子育て2019

    • Author(s)
      田浦秀幸
    • Journal Title

      シンガポール日本人会誌「南十字星」

      Volume: 2019 November Pages: 37-39

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 帰国後の子ども年齢別ケアの手引き2019

    • Author(s)
      田浦秀幸
    • Journal Title

      帰国便利帳

      Volume: 28 Pages: 16-29

    • Related Report
      2019 Annual Research Report
  • [Presentation] Face-to-face, Online, or Hybrid Language Learning/Engaging in a COVID-19 Endemic World?2023

    • Author(s)
      TAURA, Hideyki
    • Organizer
      The 57th RELC International Conference at SEAMEO RELC in Singapore
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The Effects of COVID-19 on Simultaneous Interpretation in Japan: A Neuro-linguistic Case Study2022

    • Author(s)
      TAURA, Hideyki and TAURA, Amanda
    • Organizer
      The 4th East Asian Translation Studies Conferenceat at Universite Paris Cite, campus des Grands Moulins, France
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Individual differences between two Japanese attriters of English in their English proficiency and brain activation: A six-year longitudinal fNIRS study2022

    • Author(s)
      TAURA, Hideyuki
    • Organizer
      The 4th International Conference on Language Attrition (ICLA4)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] How Brain Activation Changes as One Becomes an Expert Interpreter: An fNIRS Study2022

    • Author(s)
      TAURA, Hideyuki
    • Organizer
      The 21st Interpreting and Translation Research Institute (ITRI) International Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Impact of fetus language experiences exerted on a newborn baby: An fNIRS case study2021

    • Author(s)
      TAURA, Hideyuki
    • Organizer
      Virtual fNIRS2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The ebb and flow of language proficiency and brain activation: A case study on a Japanese-English bilingual returnee2021

    • Author(s)
      TAURA, Hideyuki & TAURA, Amanda
    • Organizer
      13th International Symposium on Bilingualism
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Studying Abroad and its Effects on L2 Brain Structures: 3 case studies2021

    • Author(s)
      TAURA, Hideyuki
    • Organizer
      JAAL in JACET 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] 応用言語学分野におけるバイリテラシー研究の方向性2021

    • Author(s)
      田浦秀幸
    • Organizer
      第1言語としてのバイリンガリズム研究会第23回研究会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 青年期以降のバイリンガリズム2020

    • Author(s)
      田浦秀幸
    • Organizer
      立命館大学土曜講座11月「バイリンガリズムと年齢」
    • Related Report
      2020 Annual Research Report
  • [Presentation] Does an experienced Japanese-English interpreter suffer from skill deterioration after one year’s break from the job? A neuro-linguistic case study2019

    • Author(s)
      TAURA, Hideyuki & TAURA, Amanda
    • Organizer
      The 3rd East Asian Translation Studies Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Professional interpreting and brain re-structuring: A neuro-linguistic enquiry2019

    • Author(s)
      TAURA, Hideyuki
    • Organizer
      Critical Link International 9
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 日英中トライリンガルのメンタルレキシコン検証2019

    • Author(s)
      鄒友卉, 田浦秀幸
    • Organizer
      第一言語としてのバイリンガリズム研究会第19回研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 英語学習と認知症対策2019

    • Author(s)
      田浦秀幸
    • Organizer
      立命館大学土曜講座11月「ことばの科学」
    • Related Report
      2019 Annual Research Report
  • [Book] The Oxford Handbook of Language Attrition2019

    • Author(s)
      TAURA, Hideyuki
    • Total Pages
      704
    • Publisher
      Oxford University Press
    • ISBN
      0198793596
    • Related Report
      2019 Annual Research Report
  • [Book] 親と子をつなぐ継承語教育 ―日本・外国にルーツを持つ子ども2019

    • Author(s)
      田浦秀幸
    • Total Pages
      327
    • Publisher
      くろしお出版
    • ISBN
      4874248071
    • Related Report
      2019 Annual Research Report

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Published: 2019-04-18   Modified: 2024-01-30  

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