提高初级视觉和身体选择性皮层之间的前向连接,减少了身体的性别和情感判断之间的干扰
Marco Gandolfo1, Giulia D'Argenio2, Paul E Downing3
1Donders Institute for Brain, cognition and Behaviour, Radboud University, Nijmegen, The Netherlands.
NeuroImage
|March 13, 2025
概括
社会视觉研究表明,判断身体情绪受到无关性线索的阻碍,但判断性别不受情绪的影响. 这表明早期的视觉处理,而不是后来的类别关联,驱动这些社会感知互动.
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:
- 人类使用社会线索来对个人进行分类,例如性别,年龄和情绪.
- 一个关键的问题是,这些社会类别是独立处理还是交互处理.
研究的目的:
- 为了研究性别和情感之间的相互作用,从身体感知中对情感进行分类.
- 为了确定性别和情感判断之间的干扰是否来自视觉处理或语义关联.
主要方法:
- 参与者根据身体图像来判断情绪,而忽略不相关的性线索,反之亦然.
- 皮层-皮层配对关联刺激 (ccPAS) 调节视觉皮层和外层身体区域之间的连接性.
- 刺激了前向和反连接,以区分基于特征的与基于类别的处理.
主要成果:
- 情感判断受到与任务无关的性别差异的显著影响.
- 性别分类不受情绪表达的变化影响.
- 刺激前进连接消除了性别对情感判断的干扰.
- 调制反连接没有影响这种干扰.
结论:
- 身体感知中的性和情感之间的相互作用发生在早期的感知分析中.
- 结果支持用于社会分类的视觉处理,而不是仅仅是上下语义关联.
- 这项研究加深了对人体感知和社会分类机制的理解.
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