社交互动感知的神经机制:观察人际同步调节行动观察网络激活,在自闭症中省略
Afton M Bierlich1, Nanja T Scheel1, Leora S Traiger1
1Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Munich, Germany.
Human brain mapping
|October 25, 2024
概括
研究人员探索了人们如何感知社交互动的时间,称为行为人际同步 (IPS). 他们发现自闭症个体与其他人类似地处理IPS,这表明自闭症中没有时间动态感知.
科学领域:
- 神经科学是一个神经科学.
- 社会心理学 社会心理学
- 发展心理学 发展心理学
背景情况:
- 在社交互动中感知时间动态对于参与至关重要.
- 行为人际同步 (IPS) 是社交互动时间的一个关键方面.
- 减少的IPS通常在自闭症中观察到,但其神经基础不清楚.
研究的目的:
- 在典型的观察者中调查IPS的神经感知处理.
- 为了确定自闭症个体是否与神经典型个体相比,在IPS感知中表现出差异.
主要方法:
- 使用基于任务的功能磁共振成像 (fMRI).
- 参与者观看了与不同IPS的社交互动的无声视频片段.
- 对神经激活模式进行了分析,以响应观察到的IPS.
主要成果:
- 观察行为IPS调节了所有参与者的行动观察网络 (AON).
- 自闭症参与者表现出与神经典型个体相似的神经激活模式,与IPS感知有关.
- 自闭症观察者在社会互动处理过程中,在特定的大脑区域 (右中额头,角,上部区域) 的激活减少.
结论:
- 在社会互动中,特别是IPS中,对时间动态的感知似乎在自闭症中很大程度上没有受到影响.
- 自闭症患者在社会互动感知方面的差异不能归因于处理时间动态的缺陷.
- 节省了AON对IPS感知的招聘并不能解释在自闭症中观察到的IPS减少或社会互动差异.
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