无人监督的平均情绪的自动处理:来自视觉不匹配反应的证据
Luyan Ji1, Zilong Chen1, Xianqing Zeng2
1Department of Psychology and Center for Brain and Cognitive Sciences, School of Education, Guangzhou University, Guangzhou, China.
Neuropsychologia
|July 28, 2024
概括
大脑在没有注意的情况下自动检测到面部表情的变化. 这种集体面部表情的自动处理表明有效的,无意识的情感感知.
科学领域:
- 认知神经科学 认知神经科学
- 社会心理学 社会心理学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 面部情绪识别是快速而精确的.
- 意思是情感处理的自动性,特别是没有注意的情况下,是有争议的.
研究的目的:
- 为了调查大脑是否自动处理来自多个面部表情的含义情绪.
- 为了确定面部表情的集合编码是否发生在没有注意的情况下.
主要方法:
- 利用一种被动奇怪的范式,与事件相关的大脑潜力 (ERP) 相关.
- 参与者执行了中央固定任务,而外围面孔组 (平均正面或平均负面情绪) 呈现.
- 分析了视觉不匹配负面性 (vMN) 和不匹配正面性 (vMP) 的反应.
主要成果:
- 视觉不匹配负面性 (vMN) 观察到平均负面情绪大约92ms.
- 视觉不匹配阳性 (vMP) 观察到平均积极情绪在168-266ms左右.
- 展示了对平均情绪变化的自动检测和自动组合编码.
结论:
- 不同的神经机制可能是处理平均负面情绪与平均积极情绪的基础.
- 大脑在不需要注意的情况下自动处理意义上的情绪变化.
- 多个面部表情的合并编码可以自动发生,并且没有注意.
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