婴儿大脑结合了来自面部的情感信息和动作动力学
M Addabbo1, J Mermier2, J Rutkowska3
1Catholic University of the Sacred Heart, Cridee, Department of Psychology, Milan, Italy.
Journal of experimental child psychology
|November 7, 2025
概括
婴儿从行为和面孔中整合了情感线索. 即使在12个月时,身体运动也会影响婴儿如何感知面部表情,这表明早期的多式情感理解.
科学领域:
- 发展心理学 发展心理学
- 认知神经科学 认知神经科学
- 婴儿的感知婴儿的感知
背景情况:
- 婴儿从各种来源 (如面孔和声音) 整合了情感线索.
- 现有的研究经常使用静态的情绪刺激,而不是动态的现实生活互动.
- 了解婴儿如何处理动态情感信息对于发育至关重要.
研究的目的:
- 调查12个月大的婴儿是否可以将情绪信息与动作动力学和面部表情联系起来.
- 为了确定动态的身体行为是否影响婴儿对面部情绪的感知.
主要方法:
- 事件相关潜力 (ERP) 启动范式,用于12个月大的婴儿.
- 婴儿观看了动作 (快乐/愤怒动力学) 的视频序列,其次是面部表情 (快乐/愤怒).
- 测量大脑反应 (P400组件),以评估情绪一致性影响.
主要成果:
- 在右半球上观察到显著的P400一致效应.
- 快乐的面孔引起了不同的P400反应,这取决于前面的行动的情感价值.
- 不一致的情绪行为调节了随后面部表情的处理.
结论:
- 身体运动学为婴儿提供了必要的上下文和情感线索.
- 婴儿对面部表情的感知从小就受到动作动力学的影响.
- 这突显了婴儿期多式联络情感融合的早期发展.
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