脸部厌恶是对触摸,气味和味道的反应
Supreet Saluja1, Ilona Croy2, Anne Gruhl2
1Department of Psychology, Macquarie University.
Emotion (Washington, D.C.)
|June 12, 2023
概括
这项研究发现,面部对气味,味道和触摸的厌恶有明显的反应,揭示了化学感知和触觉厌恶的面部. 这些发现突出了与厌恶感知相关的复杂面部表情.
科学领域:
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
- 感官科学 感官科学
背景情况:
- 厌恶感觉对于保护身体免受毒素和疾病的侵害至关重要.
- 接近感官 (嗅觉,味觉,触觉) 与厌恶反应密切相关.
- 理论上,面部表情是为了阻止有害物质的进入.
研究的目的:
- 为了比较不同的面部对触摸,嗅觉和味觉的反应,厌恶刺激.
- 调查与恶心的每个感官模式相关的特定面部动作单元 (FAU).
- 为了确定气味和味道的厌恶是否引起独特的面部表情.
主要方法:
- 64名参与者通过触觉,嗅觉和味觉与令人厌恶和中性刺激进行了互动.
- 使用视频和面部电肌图 (EMG) 记录了面部反应,测量了levator labii和 corrugator supercilii的活动.
- 视频由人类编码器和机器算法分析面部表情和FAU.
主要成果:
- 自我报告数据证实了刺激的高度恶心.
- 对FAU的分析揭示了两个截然不同的面部厌恶模式:一种化学感知厌恶面部和一种触觉厌恶面部.
- 鼻子纹和上唇升高被确定为所有面部厌恶反应的核心组成部分.
结论:
- 对于化学感知 (嗅觉/味觉) 和触觉刺激,存在明显的厌恶表情.
- 面部厌恶反应是特定于模式的,表明不同的功能角色.
- 鼻子的纹和上唇的抬起是面部表情的基本的厌恶跨感官.
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