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統合salienceモデルに基づく統合失調症の脳領域間ネットワーク病態の解明

Publicly Offered Research

Project AreaBrain information dynamics underlying multi-area interconnectivity and parallel processing
Project/Area Number 18H05130
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Research InstitutionKyoto University

Principal Investigator

宮田 淳  京都大学, 医学研究科, 講師 (90549099)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords統合失調症 / Salience / 妄想 / 幻聴 / salience
Outline of Annual Research Achievements

本研究課題では、統合salienceモデルに基づき、高傾斜磁場・超高磁場MRIによる次世代の機能的・構造的結合性解析を通じて、統合失調症のネットワーク病態を
明らかにすることを目的としている。平成31年度は、安静時fMRI解析において、Salienceに関わる脳ネットワークが初発精神病で顕著であること、およびその動的状態が妄想形成と関わっていることを明らかにした(Scizophrenia International Research Society 2019 @ Orlando; Society for Neuroscience 2019 @ Chicago; The 10th Takeda Science
Foundation Symposium on PharmaSciences @ Osaka)。そしてこれらの成果を元に、国際誌に総説を発表した(Miyata J, Neurobiology of Disease)。また、安静時fMRIデータにより作成したバイオマーカーが、異なる施設のデータでも診断に有用であり、またそれが自閉症スペクトラム障害のバイオマーカーとは異なることを明らかにした(Schizophrenia Bulletin, in press)。また予備的データであるが、動機的Salience、視覚的Salience、聴覚的Salience、Salience networkの4つが脳内で同期して活動しやすいことを、エネルギー地形図解析により明らかにした。これにより、4つのSalienceの統合から妄想・幻視・幻聴の機序を解明するという、次年度からの研究課題につながった。

Research Progress Status

令和元年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和元年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (9 results)

All 2020 2019 2018 Other

All Int'l Joint Research (1 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (5 results) (of which Int'l Joint Research: 5 results,  Invited: 1 results) Funded Workshop (1 results)

  • [Int'l Joint Research] University of British Columbia(カナダ)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Overlapping but Asymmetrical Relationships Between Schizophrenia and Autism Revealed by Brain Connectivity.2020

    • Author(s)
      Yujiro Yoshihara, Giuseppe Lisi, Noriaki Yahata, Junya Fujino, Yukiko Matsumoto, Jun Miyata, Gen-Ichi Sugihara, Shin-Ichi Urayama, Manabu Kubota et al.
    • Journal Title

      Schizophrenia Bulletin

      Volume: 4 Issue: 5 Pages: 1210-1218

    • DOI

      10.1093/schbul/sbaa021

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Toward Integrated Understanding of Salience in Psychosis2019

    • Author(s)
      Miyata J
    • Journal Title

      Neurobiology of Disease

      Volume: 131 Pages: 104414-104414

    • DOI

      10.1016/j.nbd.2019.03.002

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Is jumping to conclusions associated with frequent "jumping" to salience-related functional brain states?2019

    • Author(s)
      Jun Miyata et al
    • Organizer
      Schizophrenia International Research Society
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Conservative & hasty decision styles are associated with static & dynamic functional connectivity in healthy & schizophrenia people2019

    • Author(s)
      Jun Miyata et al
    • Organizer
      Society for Neuroscience
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Integrated salience in psychosis and delusion2019

    • Author(s)
      Jun Miyata
    • Organizer
      10th Takeda Schience Foundation Symposium on PharmaSciences
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Is jumping to conclusions associated with frequent "jumping" to salience-related functional brain states?2019

    • Author(s)
      Jun Miyata et al.
    • Organizer
      Schizophreania International Research Society 2019, Orlando, USA
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Connectivity study of aberrant salience and delusion in schizophrenia2018

    • Author(s)
      Jun Miyata et al,
    • Organizer
      International Consortium on Hallucination Research 2018 Kyoto
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Funded Workshop] International Consortium on Hallucination Research 20182018

    • Related Report
      2018 Annual Research Report

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Published: 2018-04-23   Modified: 2021-01-27  

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