紧紧抓住自己! 连接婴儿大脑中的情绪和行为
Elisa Roberti1,2, Chiara Turati1,2, Ermanno Quadrelli1,2
1Psychology Department, University of Milano-Bicocca, Milano, Italy.
概括
十个月大的婴儿使用情绪线索来预测行为,表现出对幸福的高度神经反应. 这项研究揭示了婴儿早期处理社会线索并将情绪与随后的行为联系起来的大脑机制.
科学领域:
- 发育神经科学的发展神经科学.
- 婴儿社会认知 婴儿社会认知
- 情感处理是一种情感处理.
背景情况:
- 婴儿利用社会参考来解释事件和指导行为,在第一年.
- 了解婴儿观察到的情绪与随后的行为联系的神经基础是有限的.
研究的目的:
- 研究10个月大的婴儿对情绪表现和随后的行动的电生理反应.
- 探索婴儿如何将观察到的情绪 (快乐,厌恶) 与对象指导的行为 (推开,拉近) 联系起来.
主要方法:
- 一项使用脑电图 (EEG) 对30名10个月大的婴儿进行初始化研究.
- 婴儿们被展示了新的物体,并与快乐或厌恶的情绪表现 (prime) 相结合,其次是动作 (target).
- 事件相关潜能 (ERP) 的分析,包括Nc,Pc,mu-rhythm和theta活动.
主要成果:
- 婴儿表现出高度的注意力 (Nc) 和认知处理 (Pc) 对于快乐而不是厌恶的情绪素数.
- 在快乐表现后推开物体增加了慢波活动,表明了一个意想不到的事件.
- 在快乐之后拉近物体引发了mu节律脱同步,表明了运动共振.
- 为了推开物体而增加的Theta活动表明了意外事件.
结论:
- 到10个月,婴儿处理情绪线索,并使用它们来预测后续行动.
- 神经证据表明,婴儿有能力弥合观察到的情绪和行为,突出早期的社会暗示处理.
- 这些发现揭示了12个月前对复杂的社会信息处理的早期神经敏感性.
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