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Neuroimaging study on neural mechanism of language comprehension

Research Project

Project/Area Number 19700314
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Neuroscience in general
Research InstitutionNational Institute of Information and Communications Technology

Principal Investigator

IHARA Aya  National Institute of Information and Communications Technology, 未来ICT研究センターバイオICTグループ, 主任研究員 (30390694)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,870,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥570,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywords高次脳機能 / 言語 / 意味処理 / 文脈 / 非侵襲的脳機能イメージング / 脳磁図 / プライミング効果 / 脳 / 曖昧性
Research Abstract

曖昧な情報を柔軟に処理して言語を理解する脳内処理を解明するために,非侵襲的脳機能計測実験を行い,複数の意味候補をもつ単語(多義語)の理解には左半球の前頭部の働きが重要であることを示した.多義語呈示直後には複数の意味が自動的に活性化され,呈示後約200msには左下前頭部において文脈を利用した意味検索が開始し,その後,文脈との意味的照合が行われて,呈示後約550msには文脈に適した意味に収束することが示唆された.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (23 results)

All 2010 2009 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 4 results) Presentation (16 results) Remarks (1 results)

  • [Journal Article] 語彙的意味処理の脳磁場解析.2008

    • Author(s)
      井原綾, 藤巻則夫, 魏強, 早川友恵, 村田勉
    • Journal Title

      臨床脳波 Vol.50

      Pages: 531-539

    • Related Report
      2009 Final Research Report
  • [Journal Article] 語彙的意味処理の脳磁場解析2008

    • Author(s)
      井原 綾
    • Journal Title

      臨床脳波 50

      Pages: 531-539

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Phonological influences on lexcio-semantic processing of kanji words.2007

    • Author(s)
      Qiang Wei, Aya Ihara, Tomoe Hayakawa, Tsutomu Murata, Eriko Matsumoto, Norio Fujimaki
    • Journal Title

      NeuroReport Vol.18

      Pages: 1775-1780

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Lexical access and selection of contextually appropriate meaning for ambiguous words.2007

    • Author(s)
      Aya Ihara, Tomoe Hayakawa, Qiang Wei, Shinji Munetsuna, Norio Fujimaki
    • Journal Title

      NeuroImage Vol.38

      Pages: 576-588

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Phonological influences on lexcio-semantic processing of kanji words2007

    • Author(s)
      Qiang Wei
    • Journal Title

      Neuroreport 18

      Pages: 1775-1780

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lexical access and selection of contextually appropriate meaning for ambiguous words2007

    • Author(s)
      Aya Ihara
    • Journal Title

      NeuroImage 38

      Pages: 576-588

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Language comprehension influenced by emotional context: an MEG study.2010

    • Author(s)
      Aya Ihara, Qiang Wei, Ayumu Matani, Norio Fujimaki, Haruko Yagura, Takeshi Nogai, Tsutomu Murata
    • Organizer
      BIOMAG 2010
    • Place of Presentation
      Rixos Libertas (ドブログニク, クロアチア)
    • Year and Date
      2010-03-30
    • Related Report
      2009 Final Research Report
  • [Presentation] Language comprehension influenced by emotional context : an MEG study2010

    • Author(s)
      Aya Ihara
    • Organizer
      BIOMAG2010
    • Place of Presentation
      ドブロブニク(クロアチア)、Rixos Libertas Hotel
    • Year and Date
      2010-03-30
    • Related Report
      2009 Annual Research Report
  • [Presentation] 感情的文脈の脳内言語処理への影響.2009

    • Author(s)
      井原綾, 魏強, 眞溪歩, 藤巻則夫, 矢倉晴子, 野界武史, 村田勉
    • Organizer
      第24回日本生体磁気学会大会
    • Place of Presentation
      金沢市文化ホール(石川)
    • Year and Date
      2009-05-27
    • Related Report
      2009 Final Research Report
  • [Presentation] 感情的文脈の脳内言語処理への影響2009

    • Author(s)
      井原綾
    • Organizer
      第24回日本生体磁気学会大会
    • Place of Presentation
      金沢、金沢市文化ホール
    • Year and Date
      2009-05-27
    • Related Report
      2009 Annual Research Report
  • [Presentation] An MEG study of phonological processing of kanji words in Japanese native speakers and Chinese learners of Japanese.2008

    • Author(s)
      Qiang Wei, Aya Ihara, Tomoe Hayakawa, Tsutomu Murata, Eriko Matsumoto, Norio Fujimaki
    • Organizer
      BIOMAG 2008
    • Place of Presentation
      ロイトン札幌(北海道)
    • Year and Date
      2008-08-25
    • Related Report
      2009 Final Research Report
  • [Presentation] An MEG study of phonological processing of kanji words in Japanese native speakers and Chinese learners of Japanese2008

    • Author(s)
      魏 強
    • Organizer
      BIOMAG2008
    • Place of Presentation
      札幌
    • Year and Date
      2008-08-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Roles of left inferior frontal cortex in comprehension of lexically ambiguous words: evidence from an MEG study.2007

    • Author(s)
      Aya Ihara, Norio Fujimaki, Tomoe Hayakawa, Qiang Wei, Shinji Munetsuna
    • Organizer
      Neuroscience 2007
    • Place of Presentation
      San Diego Convention Center(サンディエゴ, アメリカ)
    • Year and Date
      2007-11-06
    • Related Report
      2009 Final Research Report
  • [Presentation] Roles of left inferior frontal cortex in comprehension of lexically ambiguous words evidence froman MEG study2007

    • Author(s)
      Aya Ihara
    • Organizer
      Neuroscience 2007
    • Place of Presentation
      サンディエゴ(米国)
    • Year and Date
      2007-11-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] Neural mechanisms of the lexically ambiguity resolution -An MEG study.2007

    • Author(s)
      Aya Ihara, Tomoe Hayakawa, Qiang Wei, Shinji Munetsuna, Norio Fujimaki
    • Organizer
      Neuro 2007
    • Place of Presentation
      パシフィコ横浜(神奈川)
    • Year and Date
      2007-09-11
    • Related Report
      2009 Final Research Report
  • [Presentation] Phonological and lexico-semantic processing during kanji word reading: An MEG study.2007

    • Author(s)
      Qiang Wei, Aya Ihara, Tomoe Hayakawa, Tsutomu Murata, Norio Fujimaki
    • Organizer
      Neuro 2007
    • Place of Presentation
      パシフィコ横浜(神奈川)
    • Year and Date
      2007-09-11
    • Related Report
      2009 Final Research Report
  • [Presentation] 語彙的曖昧性解消における神経メカニズム2007

    • Author(s)
      井原 綾
    • Organizer
      Neuro2007
    • Place of Presentation
      横浜
    • Year and Date
      2007-09-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 漢字単語の読みにおける音韻情報の意味処理への影響2007

    • Author(s)
      魏 強
    • Organizer
      Neuro2007
    • Place of Presentation
      横浜
    • Year and Date
      2007-09-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 言語の意味理解の神経機構(ショートレクチャー)2007

    • Author(s)
      井原綾
    • Organizer
      第22回日本生体磁気学会大会
    • Place of Presentation
      岡崎カンファレンスセンター(愛知)
    • Year and Date
      2007-06-23
    • Related Report
      2009 Final Research Report
  • [Presentation] 言語の意味理解の神経機構2007

    • Author(s)
      井原 綾
    • Organizer
      第22回日本生体磁気学会
    • Place of Presentation
      愛知
    • Year and Date
      2007-06-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] 漢字単語の意味処理への音韻の影響:音韻プライミング課題を使ったMEG研究.2007

    • Author(s)
      魏強, 井原綾, 早川友恵, 村田勉, 藤巻則夫
    • Organizer
      第22回日本生体磁気学会大会
    • Place of Presentation
      岡崎カンファレンスセンター(愛知)
    • Year and Date
      2007-06-21
    • Related Report
      2009 Final Research Report
  • [Presentation] 漢字単語の意味処理への音韻の影響:音韻プライミング課題を使ったMEG研究2007

    • Author(s)
      魏 強
    • Organizer
      第22回目本生体磁気学会
    • Place of Presentation
      愛知
    • Year and Date
      2007-06-21
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www-karc.nict.go.jp/d333/kenkyu_in/ihara/index.html

    • Related Report
      2007 Annual Research Report

URL: 

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

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