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The effects of cognitive remediation on the activatity of the reward systems in schizophrenia

Research Project

Project/Area Number 15K09866
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Psychiatric science
Research InstitutionTottori University

Principal Investigator

Kaneko Koichi  鳥取大学, 医学部, 教授 (50194907)

Research Collaborator PU Shenhong  
ITAKURA Masashi  
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords統合失調症 / 認知機能障害 / 認知リハビリテーション / 動機付け / 報酬系 / fMRI / 脳内報酬系 / 内発的動機付け / 磁気共鳴画像 / 構造的結合性 / 機能的結合性 / 拡散テンソル画像法 / 陰性症状 / 自己効力感 / ドーパミン系
Outline of Final Research Achievements

We investigated the effects of NEAR, which is one method of cognitive remediation therapy, on motivational states of the participants assessed with "Quality of Life Scale (QLS)" and on functional connectivity between the pairs of brain regions within brain reward system measured with resting-state functional magnetic resonance imaging.
After three months of NEAR, the score of the "Motivation" item increased by 2.1 points compared with that assessed at baseline. On the other hand, NEAR did not affect functional connectivity between any pair of two brain regions within brain reward system. The finding that NEAR did not influence the functional connectivity may result from two factors: the contribution of the brain regions outside the reward system and methodological issues on defining region of interest within the brain reward system.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (5 results)

All 2017 2016 Other

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

  • [Int'l Joint Research] The University of Texas Health Center(米国)

    • Related Report
      2015 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2015 Research-status Report
  • [Journal Article] Association of fronto-temporal function with cognitive ability in schizophrenia.2017

    • Author(s)
      Pu S, Nakagome K, Itakura M, Iwata M, Nagata, Kaneko K.
    • Journal Title

      Scientific Reports

      Volume: 7 Issue: 1

    • DOI

      10.1038/srep42858

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Social cognition and prefrontal hemodynamic responses during a working memory task in schizophrenia2016

    • Author(s)
      Pu S, Nakagome K, Yamada T, Itakura M, Yamanashi T, Yamada S, Masai M, Miura A, Yamauchi T, Satake T, Iwata M, Nagata I, Roberts DL,Kaneko K
    • Journal Title

      Scientific Reports

      Volume: 6 Issue: 1 Pages: 1-9

    • DOI

      10.1038/srep22500

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 認知機能障害と陰性症状のリカバリーを中心に2016

    • Author(s)
      兼子幸一
    • Organizer
      第11回日本統合失調症学会
    • Place of Presentation
      ベイシア文化ホール(群馬県前橋市)
    • Year and Date
      2016-03-25
    • Related Report
      2015 Research-status Report
    • Invited

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Published: 2015-04-16   Modified: 2022-01-24  

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