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Updated: Feb 3, 2026

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社会亲密和奖励灵敏度 在分享奖励的经验中增强皮质前皮质功能
David V Smith1, Ori Zaff1, James B Wyngaarden1
1Department of Psychology and Neuroscience, Temple University, Philadelphia, PA, USA.
Biological psychology
|February 1, 2026
概括
奖励灵敏度和物质使用的个体差异会影响大脑对社会奖励的反应. 这些因素可能会通过改变神经反应来影响心理健康,从而改变与朋友或陌生人分享奖励的神经反应.
科学领域:
- 神经科学是一个神经科学.
- 社会神经科学是一种社会神经科学.
- 认知神经科学 认知神经科学
背景情况:
- 之前的研究表明,当与密切的社会联系分享奖励时,条形状反应会增加.
- 人们对个人差异如何影响内条纹 (VS) 激活和社交奖励环境中的连接知之甚少.
研究的目的:
- 调查自我报告的奖励敏感性和物质使用是否独立地影响社交环境中的神经奖励反应.
- 检查与亲密朋友,陌生人或非人类合作伙伴共享奖励时,VS激活和连接如何不同.
主要方法:
- 45名参与者在玩一场涉及货币收益和损失的猜牌游戏时接受了fMRI.
- 奖励与亲密的朋友,陌生人 (联盟) 或非人类合作伙伴共享.
- 分析了与社会背景和个人差异相关的VS激活和功能连接.
主要成果:
- 与陌生人相比,当与亲密的朋友分享奖励时,观察到增加了VS激活.
- 更高的奖励灵敏度减少了朋友和陌生人条件之间的VS反应的差异.
- 增强的VS-temporoparietal结连接发生在与亲密的朋友和陌生人分享奖励时.
- 探索性分析表明,根据社会背景,奖励敏感性和亚临床物质使用调节了与右状面部区域的VS连接.
结论:
- 在奖励共享期间对社会背景的敏感性与个人奖励敏感性和物质使用有关.
- 这些因素可以通过影响神经对社会奖励的反应来预测未来精神健康障碍的风险.
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