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Large-scale neural plasticity in literacy acquisition

Research Project

Project/Area Number 19500264
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Neuroscience in general
Research InstitutionKyoto University (2008)
Hamano Life Science Research Foundation (2007)

Principal Investigator

NAKAMURA Kimihiro  Kyoto University, 医学研究科, 非常勤講師 (40359633)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords磁気共鳴画像 / 言語認知 / 文字の知覚 / プライミング / 機能的磁気共鳴画像
Research Abstract

本計画では、機能的磁気共鳴画像(fMRI)、経頭蓋磁気刺激などの非侵襲的脳機能計測法、脳損傷患者を対象とした神経心理学的手法を相補的に組み合わせることで、言語視覚認知の神経機構と、学習に伴うその可塑性変化の程度について多角的な検討を試みた。日本語を用いたfMRI研究では、先行刺激と標的刺激との間の意味的関連性による被験者の運動遂行反応への影響において有意な反応促進効果を示し、認知課題の性質により、意識下で潜在的に起こる視覚認知過程に影響することを、神経領域間の機能的連合強度の変化として明らかにした。また、視覚神経系の機能構築の言語間比較を目的とした研究計画では、海外の複数の研究機関と連携してfMRIのデータ収集・解析作業を行い、2件の論文にまとめて学術誌に投稿した(審査中)。さらに脳損傷患者に適用できる実験デザインを準備して、後頭・頭頂葉領域の局在性病変を有する症例、視覚性注意障害と言語認知過程の関連について、行動データの収集と解析を行った。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (11 results)

All 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 3 results) Presentation (2 results) Book (3 results)

  • [Journal Article]2008

    • Author(s)
      Peperkamp S, Vendelin I, Nakamura K
    • Journal Title

      Phonology 25

      Pages: 129-164

    • Related Report
      2008 Final Research Report
  • [Journal Article] On the perceptual origin of loanword adaptations : experimental evidence from Japanese2008

    • Author(s)
      Peperkamp, S, Vendelin, I, Nakamura
    • Journal Title

      Phonology 25

      Pages: 129-164

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article]2007

    • Author(s)
      Nakamura, K., Dehaene, S., Jobert, A., Le Bihan, D., and Kouider, S
    • Journal Title

      Proc Natl Acad Sci USA 104

      Pages: 19643-19648

    • Related Report
      2008 Final Research Report
  • [Journal Article]2007

    • Author(s)
      Hara, N. F., Nakamura, K., Kuroki, C., Takayama, Y. and Ogawa, S
    • Journal Title

      Neuroreport 18(15)

      Pages: 1603-7

    • Related Report
      2008 Final Research Report
  • [Journal Article] Task-specific change of unconscious neural priming in the cerebral language network2007

    • Author(s)
      Nakamura, K., Dehaene, S., Jobert, A., Le Bihan, D., Kouider, S.
    • Journal Title

      Proc Natl Acad Sci U S A 104

      Pages: 19643-8

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Functional neuroanatomy of speech processing within the temporal cortex2007

    • Author(s)
      Hara, N.F., Nakamura, K., Kuroki, C.Takayama, Y., Ogawa, S.
    • Journal Title

      Neuroreport 18

      Pages: 1603-7

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Strategic control of neural circuits for reading2008

    • Author(s)
      Nakamura K
    • Organizer
      Language series seminar, Max-Planck Institute
    • Place of Presentation
      Leipzing
    • Year and Date
      2008-10-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 意識閾下単語認知過程に関わる神経経路とその課題依存性選択2007

    • Author(s)
      中村仁洋、宇川義一
    • Organizer
      第12回認知神経科学会学術集会
    • Place of Presentation
      九州大学
    • Year and Date
      2007-07-21
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Book] 書字の脳機能画像研究.神経文字学(岩田誠・河村満編)2007

    • Author(s)
      中村仁洋、福山秀直
    • Publisher
      医学書院
    • Related Report
      2008 Final Research Report
  • [Book] 「書字の脳機能画像研究」神経文字学(岩田誠・河村満編)2007

    • Author(s)
      中村 仁洋、福山 秀直
    • Total Pages
      248
    • Publisher
      医学書院
    • Related Report
      2007 Annual Research Report
  • [Book] Functional neuroanatomy of reading in Japanese : Universal and language-specific organization of the occipitotemporal cortex

    • Author(s)
      Nakamura, K.
    • Publisher
      Oxford University Press(in press)
    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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