情绪表达对尺寸没有影响 低估直立的脸部
Eamonn Walsh1,2, Jack Whitby1, Yen-Ya Chen1
1Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom.
PloS one
|February 1, 2024
概括
情绪表达不会改变面部反转尺寸幻觉,反转的面孔看起来比直立的更大. 这一发现与反向如何影响情绪识别形成鲜明对比,这表明面部尺寸和情绪的处理途径不同.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 人类面孔传达重要的社会和情感信息.
- 面部感知受到情绪表达和刺激方向 (直立与倒置) 的显著影响.
- 一个有趣的尺寸错觉存在,直立的脸被认为比倒立的脸小,可能是由于受损的配置处理.
研究的目的:
- 为了调查一个脸的情绪表达是否调节了面部尺寸的幅度. 面部尺寸反转幻觉.
- 为了确定不同的情绪状态 (中性,快乐,害怕,愤怒) 是否会影响直立和倒立面孔之间的感知尺寸差异.
主要方法:
- 参与者判断了各种情绪表达 (中性,快乐,害怕,愤怒) 的面孔的感知大小,无论是直立的还是倒置的方向.
- 通过比较直立和倒置的面部刺激之间的尺寸判断来量化尺寸幻觉的规模.
主要成果:
- 在所有经过测试的情绪中都观察到一致的偏差,反转的脸被认为比直立的脸大.
- 情绪表达没有显著地影响面部反转尺寸错觉的幅度.
- 这种缺乏情绪调节的现象与逆转对情绪表达识别的已知影响形成鲜明对比.
结论:
- 直立面部的大小低估是独立于显示的情绪表达.
- 截然不同的神经机制可能是面部尺寸和情感内容的处理的基础,正如人口受感场 (pRF) 地图研究所建议的那样.
- 了解这种幻觉可以增强对人类面部感知和社会沟通复杂机制的洞察力.
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