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Widespread white matter microstructural abnormalities related to cognitive impairment in bipolar disorder and major depressive disorder: A DTI study

Research Project

Project/Area Number 15K19744
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Psychiatric science
Research InstitutionWakayama Medical University

Principal Investigator

Yamada Shinichi  和歌山県立医科大学, 医学部, 助教 (70549716)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords気分障害 / 白質微細構造異常 / 認知機能障害 / DTI / 治療抵抗性うつ病 / rTMS 治療 / ECT / 神経ネットワーク
Outline of Final Research Achievements

The FA of WM in widespread regions including CC in the BD, and MDD groups was significantly reduced compared with those in the HC group. The mean FA of the WM skeleton with statistical differences correlated with performance on the list learning in the BD group, and correlated with performance on the digit sequencing task, token motor, and symbol coding in the MDD group. Our results suggested widespread WM microstructural abnormalities, which were associated with cognitive impairment in patients with BD and MDD. This study contributes to the understanding of WM pathophysiology in BD and MDD.

Report

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

    (4 results)

All 2017 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results)

  • [Journal Article] Microstructural abnormalities in anterior callosal fibers and their relationship with cognitive function in major depressive disorder and bipolar disorder: A tract-specific analysis study2015

    • Author(s)
      Yamada S, Takahashi S, Ukai S, Tsuji T, Iwatani J, Tsuda K, Kita A, Sakamoto Y, Yamamoto M, Terada M, Shinosaki K
    • Journal Title

      Journal of Affective Disorders

      Volume: 174 Pages: 542-548

    • DOI

      10.1016/j.jad.2014.12.022

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Presentation] 統合失調症と気分障害における白質微細構造異常と認知機能障害との関係: DTI研究2017

    • Author(s)
      山田信一、高橋隼、石田卓也、大星裕司、寺田正樹、篠崎和弘、鵜飼聡
    • Organizer
      第39回 日本生物学的精神医学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] うつ病と双極性障害における白質微細構造異常と認知機能障害との関係: DTI研究2016

    • Author(s)
      山田信一、高橋隼、石田卓也、鵜飼聡、寺田正樹、篠崎和弘
    • Organizer
      第16回精神疾患と認知機能研究会
    • Place of Presentation
      東京
    • Year and Date
      2016-11-05
    • Related Report
      2016 Research-status Report
  • [Presentation] うつ病と双極性障害における白質微細構造異常と認知機能障害との関係: DTI研究2015

    • Author(s)
      山田信一、高橋隼、石田卓也、鵜飼聡、寺田正樹、篠崎和弘
    • Organizer
      第18回日本薬物脳波学会学術集会
    • Place of Presentation
      和歌山
    • Year and Date
      2015-06-27
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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