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孤独とパラノイアは信頼意欲を低下させる
Gabriele Bellucci1,2, Mehdi Keramati3, Esther Hanssen4
1Center for Decision Sciences, Royal Holloway, University of London, Egham, UK. gabriele.a.bellucci@gmail.com.
Communications psychology
|December 30, 2025
まとめ
孤独とパラノイアは不信感を増大させ、パートナーの互恵性への依存を低下させ、臨床集団と一般集団の両方における社会的関係に影響を与えます。これらの発見は、社会的相互作用に影響を与える重要なメカニズムを強調しています。
科学分野:
- 心理学;社会的神経科学;臨床心理学
背景:
- 孤独は否定的な社会的行動および損なわれた人間関係と関連しています。;これらの社会的赤字の根底にある心理的メカニズムは不明のままです。;パラノイア思考は、孤独な個人が社会的相互作用をナビゲートする方法において役割を果たす可能性があります。
研究 の 目的:
- 孤独、パラノイア思考、および社会的行動の関係を調査すること。;投資ゲームにおけるパートナーの互恵性への依存意欲を調べること。;精神病のある個人とない個人におけるこれらの力学を探求すること。
主な方法:
- 投資ゲームを使用して、社会的行動と信頼を評価しました。;参加者には、精神病のある個人とない個人(N=54)が含まれていました。;計算モデリングにより、パートナーの互恵性への依存が分析されました。
主要な成果:
- 孤独とパラノイアは強く相関していました。;両者ともに、信頼の侵害後の不信感を増大させ、互恵性の変化に対する感受性を高めました。;孤独な個人は、互恵的なパートナーをより少なく信頼し、互恵性への依存を低下させました。
結論:
- 孤独とパラノイアは、社会的期待と行動を著しく損ないます。;これらの効果は、臨床集団と一般集団の両方に存在します。;発見は、孤独な個人が直面する人間関係の困難についての洞察を提供します。
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