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JoVE Core
Introduction to Psychology
面部反馈假设
面部反馈假设
JoVE Core
Introduction to Psychology
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JoVE Core Introduction to Psychology
Facial Feedback Hypothesis

8.20: 面部反馈假设

680 Views
01:24 min
January 8, 2025
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

查尔斯·达尔文提出,面部表情是交流的一种进化性适应。他认为这些表情不受文化的影响,而是跨物种的普遍现象。例如,在许多动物(包括人类)中,露出牙齿的咆哮表情意味着威胁。达尔文还认为,对情绪进行表达可以强化这种情感。例如,微笑可以增强一个人的幸福感。这个想法为理解面部表情在情感体验中的作用奠定了基础。

面部反馈假设

基于达尔文的理论,现代心理学家提出了面部反馈假设,这一假设认为面部表情既能反映情绪,又能影响情绪。根据这一假设,面部表情的形成会向大脑发出信号,从而强化所表达的情绪。这种反馈回路可以强化现有的情绪,并且在某些情况下甚至可能会触发情绪。例如,强颜欢笑可以让人感觉更加快乐,而皱眉则会让人感到悲伤。

面部表情的生理反应

研究表明,面部表情可以引发身体的生理变化,从而证实了面部反馈假设。在一项研究中,模仿恐惧表情的演员会心率加快,而体温保持不变。相比之下,做出愤怒的表情会导致心率和体温的上升。这些发现表明,面部表情中使用的肌肉可能在激活身体对不同情绪的生理反应方面发挥着作用。因此,面部表情不仅是社交信号,也是能够调节情绪状态的机制。

Transcript

查尔斯·达尔文 (Charles Darwin) 认为,面部表情进化为传达威胁或恐惧等意图,并且在物种之间是普遍的,而不是特定于文化的。他建议,在脸上表达情绪可以强化这种感受——多微笑会让人感觉更快乐。

同样,现代心理学家提出了面部反馈假说,认为面部表情可以影响和反映情绪。根据这个假设,面部表情向大脑发出关于所表达情绪的信号。这种反馈不仅会加剧情绪,甚至可能触发情绪。

因此,改变一个人的面部表情会影响一个人的情绪。例如,微笑可以使人感到更快乐,而皱眉会导致悲伤的感觉。

在一项针对专业演员的研究中,研究人员观察到,当演员被要求模仿恐惧的表情时,他们的心率会增加,而他们的体温保持不变。

同样,当他们做出愤怒的表情时,心率和体温都会升高。这项研究支持面部表情可以触发与特定情绪相关的生理反应的观点。

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