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The Development of Bilingual Mental Lexicon: Conceptualization in Foreign Language Learning

Research Project

Project/Area Number 18K18674
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 9:Education and related fields
Research InstitutionDoshisha University

Principal Investigator

Akamatsu Nobuhiko  同志社大学, 文学部, 教授 (30281736)

Project Period (FY) 2018-06-29 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords外国語学習 / 第二言語習得 / 語彙学習 / バイリンガル・レキシコン / 心内辞書 / 心理言語学 / バイリンガルレキシコン / 概念形成
Outline of Final Research Achievements

The research found that learning a new concept through a foreign language not only affected the word itself but also influenced the network of related concepts in one's first language. However, this influence did not extend to the concept network in the first language. Furthermore, when the features of words in a foreign language differed from those of their counterparts in the first language, learners found it more difficult to reconstruct internal features than external ones. The strength of the connection between a learned word and its counterpart in the first language, however, showed no such difference between external and internal features.

Academic Significance and Societal Importance of the Research Achievements

本研究の結果はde Grootらが提唱したDistributed Conceptual Feature (DCF) Modelと概ね一致するものであり、第二言語だけではなく外国語においてもDCF Modelの有用性が示唆された。また、学習語の指示対象の外面性と内面性に関する結果は外国語とその訳語の対応を基盤とした単語学習のデータだけでは概念形成プロセスを明らかにすることは困難であることを示唆した。本研究成果はストループ課題やプライミング課題によって得られたものであることから、これらの課題は外国語学習における概念形成の発達過程に関する信頼性の高い検証方法であることが確認された。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (2 results)

All 2019

All Presentation (2 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Presentation] Multicompetence: Bilingual cognition in noun countability.2019

    • Author(s)
      Akamatsu, N., & Tsuzuku, A.
    • Organizer
      The 58th JACET International Convention
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] バイリンガルの言語と認知の発達-母語と第二言語の関連性について-2019

    • Author(s)
      赤松信彦
    • Organizer
      関西帰国生親の会かけはし主催 かけはしセミナー2019
    • Related Report
      2019 Research-status Report
    • Invited

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Published: 2018-07-25   Modified: 2025-01-30  

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