感情予測の欠陥が社会的快楽欠如の高い個人において明らかに (Study Reveals Emotional Prediction Deficits in Individuals with High Social Anhedonia)

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2025-03-14 中国科学院(CAS)

中国科学院心理研究所の研究チームは、社会的快感消失(社会的アネドニア)の高い個人が、実生活において感情予測に困難を抱えることを明らかにした。8,031の実生活の出来事を分析した結果、社会的な出来事は一般的に楽しいと感じられるが、感情予測と実際の反応のズレ(予測ギャップ)が特に大きいことが判明。さらに、高い社会的アネドニアを持つ個人(28人)と低い個人(32人)の比較では、前者が社会的相互作用からの楽しみを予測しにくく、予測ギャップがより顕著だった。この研究は、社会的アネドニアの認知・感情メカニズムの理解を深め、メンタルヘルス介入の新たな可能性を示すものである。

<関連情報>

社会的快感消失の強い若年成人における現実の感情予測: 経験サンプリング研究 Real-life Affective Forecasting in Young Adults with High Social Anhedonia: An Experience Sampling Study

Rui-Ting Zhang, Yan Gao, Tian-Xiao Yang, Chao Yan, Ya Wang, Simon S Y Lui, Raymond C K Chan
Schizophrenia Bulletin Open  Published:05 February 2025
DOI:https://doi.org/10.1093/schizbullopen/sgaf003

感情予測の欠陥が社会的快楽欠如の高い個人において明らかに (Study Reveals Emotional Prediction Deficits in Individuals with High Social Anhedonia)

Abstract

Background and hypothesis
Affective forecasting (AF), the ability to forecast emotional responses for future events, is critical for optimal decision-making and mental health. Most previous AF studies were conducted using laboratory-based tasks but overlooked the impacts of real-life situations and social interactions. This study used the experience sampling method to examine real-life AF in young healthy adults and individuals with high social anhedonia.

Study design
In Study 1, 109 young healthy adults reported anticipated and experienced emotions of personal events for 30 days on mobile phones. In Study 2, we examined real-life AF in 28 individuals with high social anhedonia (HSA) and 32 individuals with low social anhedonia (LSA).

Study results
In Study 1 (totaling 8031 real-life events), participants anticipated and experienced social events as more positive and more arousing than non-social events, but also with larger AF discrepancy. In Study 2 (totaling 2066 real-life events), compared with the LSA group, the HSA group anticipated less pleasure and displayed a larger valence discrepancy especially for social but not for non-social events. However, the HSA group reported less experienced pleasure for both social and non-social events.

Conclusions
Using an ecological method for assessing real-life AF, we extended the previous laboratory-based findings to real-life situations. These findings demonstrate the effects of sociality on real-life AF and elucidate the deficit in anticipating social pleasure among HSA individuals, which reflects liability to schizophrenia-spectrum disorders. Altered AF may be a potential intervention target in people with schizophrenia spectrum disorder.

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