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Neurophysiological study of generation and regulation of top-down emotional processing: from basic study to application

Research Project

Project/Area Number 20K14251
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 10040:Experimental psychology-related
Research InstitutionShizuoka University (2023)
The University of Tokyo (2020-2022)

Principal Investigator

Ozawa Sachiyo  静岡大学, 人文社会科学部, 学術研究員 (90767716)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2022: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsトップダウン処理の感情 / 自伝的想起 / 感情誘導 / 生理変化 / 社会的感情 / ストレス / 心身症状 / fMRI / 扁桃体 / 対人関係ストレス / エピソード記憶 / 瞳孔 / 感情制御 / 認知神経科学 / 心理学 / NIRS
Outline of Research at the Start

感情の種類には、感情刺激写真などの知覚刺激を用いて、刺激の知覚的・情動的特性に注意を向けることで生成される「ボトムアップ感情処理」と、ストーリー性がある言語刺激などを用いて、ある状況に対する高次の認知的評価を行うで生成される「トップダウン感情処理」がある(Ochsner et al., 2009)。感情制御の実験研究では、ボトムアップ処理の感情が多用されてきたが、本研究では日常の感情体験に近いトップダウンの感情に注目し、感情生成の妥当性や制御効果について、神経生理学的に検証する。基礎的検討から応用的検討へと研究を展開し、知見を日常体験に応用させやすくさせることをねらいとする。

Outline of Final Research Achievements

We examined the validity and neural bases of emotion induction procedure which induces top-down emotions. In this procedure, participants were asked to freely recall memories of interpersonal stressful events and respond a series of questions regarding the recalled memories. We found that this procedure induces mixed emotions of disgust and anger which are frequently experienced in the social context. Furthermore, we found that disgust and anger as a mixed emotion can synergistically activate amygdala. Moreover, we found that sustained tapping tasks were more effective in decreasing unpleasant emotions and unpleasant thoughts compared with rest, based on our distraction study which measured pupil-size changes.

Academic Significance and Societal Importance of the Research Achievements

感情制御のテーマを扱う上で、日常体験に近い不快感情を誘導し、その制御効果を検証することの重要性を示した。安静にしているより、安易でも注意を要する課題を行う方が、不快感情や不快な思考を抑制する効果があるという知見を示し、日常における有効な感情制御方略について提案した。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (10 results)

All 2023 2022 2021 2020 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (4 results) Remarks (2 results)

  • [Journal Article] Synergistic effects of disgust and anger on amygdala activation while recalling memories of interpersonal stress: An fMRI study2022

    • Author(s)
      Ozawa Sachiyo、Nakatani Hironori、Miyauchi Carlos Makoto、Hiraki Kazuo、Okanoya Kazuo
    • Journal Title

      International Journal of Psychophysiology

      Volume: 182 Pages: 39

    • DOI

      10.1016/j.ijpsycho.2022.09.008

    • URL

      https://pure.teikyo.jp/en/publications/6b846ef0-5ced-448d-b54b-ba9d8d51096e

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Emotions Induced by Recalling Memories About Interpersonal Stress2021

    • Author(s)
      Ozawa, S.
    • Journal Title

      Frontiers in Psychology

      Volume: 12 Pages: 1-7

    • DOI

      10.3389/fpsyg.2021.618676

    • Related Report
      2021 Research-status Report 2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Emotional Distraction by Constant Finger Tapping: Pupil Dilation and Decreased Unpleasant Emotion and Task-unrelated Thoughts2021

    • Author(s)
      Ozawa, S , Yoshimoto, H , Okanoya, K , Hiraki, K
    • Journal Title

      Journal of Psychophysiology

      Volume: N/A Issue: 2 Pages: 1-17

    • DOI

      10.1027/0269-8803/a000287

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Pupil Constrictions and Their Associations with Increased Negative Affect during Responses to Recalled Memories of Interpersonal Stress2020

    • Author(s)
      Ozawa, S., Yoshimoto, H., Okanoya, K., & Hiraki, K.
    • Journal Title

      Journal of Psychophysiology

      Volume: 35 Issue: 3 Pages: 186

    • DOI

      10.1027/0269-8803/a000273

    • URL

      https://pure.teikyo.jp/en/publications/217b35d8-9710-48c7-b2b2-ca99a7d74514

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 対人関係ストレスの想起とディストラクションによる制御――感情・課題無関連思考・扁桃体の検討――2023

    • Author(s)
      小澤幸世・中谷裕教・宮内 誠 カルロス
    • Organizer
      日本心理学会第87回大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 対人関係ストレスの想起による複合感情の生起と扁桃体の活性―磁気共鳴機能画像法による検討―2022

    • Author(s)
      小澤幸世, 中谷裕教 , 宮内 誠 カルロス
    • Organizer
      日本心理学会
    • Related Report
      2022 Research-status Report
  • [Presentation] Synergistic effects of disgust and anger on amygdala activation while recalling memories of Interpersonal stress: an fMRI study2022

    • Author(s)
      Ozawa, S, Nakatani, H, Carlos, M, M, Hiraki, K, Okanoya, K
    • Organizer
      Neuroscience 2022, Society for Neuroscience Annual Meeting
    • Related Report
      2022 Research-status Report
  • [Presentation] 対人関係ストレスの記憶想起によって生じる不快感情の制御―不快な感情や思考および瞳孔径変化との関連において―2021

    • Author(s)
      小澤幸世
    • Organizer
      日本心理学会
    • Related Report
      2021 Research-status Report
  • [Remarks] Researchmap

    • URL

      https://researchmap.jp/sachiyo_ozawa

    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Remarks] Google Scholar

    • URL

      https://scholar.google.com/citations?user=ZJs_RlkAAAAJ&hl=ja

    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2025-01-30  

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