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Evolutionary Psychological Research on Disgust Modulation by Interpersonal Closeness

Research Project

Project/Area Number 18K03006
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 10010:Social psychology-related
Research InstitutionKobe University

Principal Investigator

Ohtsubo Yohsuke  神戸大学, 人文学研究科, 教授 (80322775)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords嫌悪感 / source effect / 孤独感 / 対人関係 / 親密さ / 嫌悪感情 / 対人的嫌悪 / 嫌悪 / 親密 / 心拍 / コミットメント・シグナル / 進化心理学
Outline of Final Research Achievements

The source effect refers to the phenomenon that similar disgusting stimuli evoke different levels of disgust feeling depending on the source of the stimuli. This study employed the scenario-based method to investigate this phenomenon. A series of studies revealed that the source effect is larger when the source of disgusting stimuli is an opposite-sex other, as compared with the same-sex other, and the size of source effect is not correlated with other individual difference measures, such as loneliness. Moreover, we attempted to quantify the source effect by heart rate, which is known to be related to the subjective experience of disgust. However, scenario-based studies did not allow heart rate measure to capture subtle differences in disgust.

Academic Significance and Societal Importance of the Research Achievements

本研究の意義は、嫌悪感情の強さの規定因としてのsource effectを詳細に検討し、これまで知られていなかった刺激の発生源と受け手の性別の組合せがその効果の強さを規定することを明らかにした点である。このことは、応用的には、セクシャルハラスメントの基準が行為者によって変動する可能性を示唆している。例えば、特に性的でもない行為(相手のペンを借りて使う)が、同性によってなされたのであれば問題ないが、異性による場合には嫌悪感を生じさせる可能性もある。本研究の知見は、このようなsource effectとハラスメント基準の変動性を示唆しており、今後、より詳しい検討が必要である。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2021 2019 2018 Other

All Int'l Joint Research (1 results) Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Int'l Joint Research] Aberystwyth University(英国)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Heart rate reveals the difference between disgust and anger in the domain of morality2019

    • Author(s)
      Konishi, N., Himichi, T., & Ohtsubo, Y.
    • Journal Title

      Evolutionary Behavioral Sciences

      Volume: - Issue: 3 Pages: 284-298

    • DOI

      10.1037/ebs0000179

    • Related Report
      2020 Annual Research Report 2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Effects of the self-partner gender combination on the source effect of disgust2021

    • Author(s)
      Yamaguchi, M., & Ohtsubo, Y.
    • Organizer
      Society for Personality and Social Psychology
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 親密さは対人的嫌悪感情を調整するのか?2019

    • Author(s)
      大坪庸介・山崎希美・山口真奈
    • Organizer
      日本人間行動進化学会第12回大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 生物-心理-社会モデルを語ろう:生命科学と社会科学をつなぐ“にかわ”としての社会心理学2018

    • Author(s)
      大坪庸介
    • Organizer
      日本社会心理学会
    • Related Report
      2018 Research-status Report
    • Invited

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Published: 2018-04-23   Modified: 2022-01-27  

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