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Nejime Masafumi  禰占 雅史

ORCIDConnect your ORCID iD *help
Researcher Number 10770414
Other IDs
Affiliation (Current) 2025: 公益財団法人東京都医学総合研究所, 脳・神経科学研究分野, 研究員
2025: 公益財団法人東京都医学総合研究所, 臨床医科学研究分野, 研究員
Affiliation (based on the past Project Information) *help 2025: 公益財団法人東京都医学総合研究所, 臨床医科学研究分野, 研究員
2019 – 2023: 筑波大学, 医学医療系, 研究員
Review Section/Research Field
Principal Investigator
Basic Section 51020:Cognitive and brain science-related / Basic Section 59010:Rehabilitation science-related
Keywords
Principal Investigator
サル / 報酬 / 電気刺激 / 意思決定 / 腹側線条体 / 側坐核 / 運動機能回復 / 脊髄損傷 / 意欲 / オプトジェネティクス … More / ドーパミン / シグナルダイナミクス / 神経活動 / 報酬選択 Less
  • Research Projects

    (3 results)
  • Research Products

    (10 results)
  •  脊髄損傷サルにおける運動機能回復促進戦略を具現化する側坐核意欲生成基盤の解明Principal Investigator

    • Principal Investigator
      禰占 雅史
    • Project Period (FY)
      2025 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 59010:Rehabilitation science-related
    • Research Institution
      Tokyo Metropolitan Institute of Medical Science
  •  サル腹側線条体ドーパミンシグナルの意思決定過程における機能的役割Principal Investigator

    • Principal Investigator
      禰占 雅史
    • Project Period (FY)
      2022 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 51020:Cognitive and brain science-related
    • Research Institution
      University of Tsukuba
  •  Role of the reward circuit for decision process: a functional analysis in monkey ventral striatumPrincipal Investigator

    • Principal Investigator
      Nejime Masafumi
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 51020:Cognitive and brain science-related
    • Research Institution
      University of Tsukuba

All 2023 2022 2021 2020 2019

All Journal Article Presentation

  • [Journal Article] Distinct roles of the orbitofrontal cortex, ventral striatum, and dopamine neurons in counterfactual thinking of decision outcomes2023

    • Author(s)
      M. Yun, M. Nejime, T. Kawai, J. Kunimatsu, H. Yamada, HR. Kim, and M. Matsumoto
    • Journal Title

      Science advances

      Volume: 9(32) Issue: 32 Pages: 2831-2831

    • DOI

      10.1126/sciadv.adh2831

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K15627, KAKENHI-PUBLICLY-23H04329, KAKENHI-PROJECT-23K27471
  • [Presentation] 光遺伝学によるサル中脳ドーパミンニューロン-腹側線条体神経路の活動操作2023

    • Author(s)
      禰占 雅史
    • Organizer
      第4回サル脳新技術研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-22K15627
  • [Presentation] 意思決定時のサル腹側線条体ドーパミン神経終末に対する光刺激が経済的行動選択に与える影響2022

    • Author(s)
      禰占 雅史
    • Organizer
      第36回日本大脳基底核研究会
    • Data Source
      KAKENHI-PROJECT-22K15627
  • [Presentation] Optogenetic stimulation of dopamine signals transmitted to the ventral striatum during ongoing decision-making process affects economic choice behavior in macaque monkeys.2022

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, J. Kunimatsu, H. Yamada, K. Inoue, M. Takada, and M. Matsumoto
    • Organizer
      The 51st annual meeting of Society for Neuroscience
    • Data Source
      KAKENHI-PROJECT-22K15627
  • [Presentation] Causal role of midbrain dopamine neurons and ventral striatum circuit in economic decision-making in macaque monkeys2021

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, H. Yamada, K. Inoue, M. Takada, and M. Matsumoto
    • Organizer
      The 50th annual meeting of Society for Neuroscience
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16890
  • [Presentation] Dynamics of neuronal activity related to economic decision-making in the macaque reward system2021

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, H. Yamada, K. Inoue, M. Takada, and M. Matsumoto
    • Organizer
      The 44th Annual Meeting of the Japan Neuroscience Society
    • Data Source
      KAKENHI-PROJECT-19K16890
  • [Presentation] 経済学的意思決定時の腹側線条体・中脳ドーパミンニューロン・眼窩前頭皮質の神経活動ダイナミクス2020

    • Author(s)
      禰占雅史
    • Organizer
      生理研研究会「行動の多様性を支える神経基盤とその動作様式の解明」
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K16890
  • [Presentation] Value and choice representations of the ventral striatum in monkeys performing an economic decision-making task2020

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, H. Yamada, and M. Matsumoto
    • Organizer
      The 43rd Annual Meeting of the Japan Neuroscience Society
    • Data Source
      KAKENHI-PROJECT-19K16890
  • [Presentation] 価値に基づく意思決定におけるサル腹側線条体の価値・選択関連応答とその因果的役割2020

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, H. Yamada, and M. Matsumoto
    • Organizer
      先端モデル動物支援プラットフォーム 2019年度成果発表会
    • Data Source
      KAKENHI-PROJECT-19K16890
  • [Presentation] Causal contribution of value- and choice-related signals in the primate ventral striatum to economic decision-making.2019

    • Author(s)
      M. Nejime, M. Yun, T. Kawai, H. Yamada, and M. Matsumoto
    • Organizer
      生理研研究会 「行動の多様性を支える神経基盤とその動作様式の解明」
    • Data Source
      KAKENHI-PROJECT-19K16890

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