在自闭症的触摸观察期间的动态功能适应:连接力的强度与对社交触摸的态度和社会响应能力有关
1Centre for Neurodiversity and Development, Department of Psychology, Durham University, South Road, Durham, DH1 3LE, UK. haemy.lee-masson@durham.ac.uk.
Molecular autism
|February 18, 2025
概括
自闭症成年人在观察触摸时显示出大脑连接的改变,一些连接有助于社会理解. 这些神经差异可能是局部化的,而不是在大脑网络中普遍存在.
科学领域:
- 神经科学是一个神经科学.
- 自闭症谱系障碍研究研究
- 社会认知是指社会认知.
背景情况:
- 自闭症成年人经常经历非典型的社交互动,特别是那些涉及身体接触的社交互动.
- 大脑成像表明,自闭症患者处理与触摸相关的社会情感线索的方式有所不同.
- 现有研究尚未澄清这些大脑差异是否涉及特定区域或更广泛的网络连接.
研究的目的:
- 为了调查功能性大脑网络架构在自闭症中在触摸观察期间如何改变.
- 探索这些建筑变化与个人在社交接触偏好和响应能力方面的差异之间的关系.
主要方法:
- 在现有fMRI数据上利用了通用心理生理相互作用 (gPPI) 和独立组件分析 (ICA).
- 分析了21名自闭症和21名非自闭症成年男性观察社会和非社会触摸视频的脑活动.
- 检查大规模大脑网络内部和大脑网络之间的功能连接.
主要成果:
- 自闭症成年人表现出感官和社交大脑区域之间的连接性增加,这与社交触摸偏好和反应能力有关.
- 非典型的连接主要是在感官运动网络和社会情绪处理网络之间发现的.
- 在非社会接触时增加的感觉运动网络连接性表明,在人与物体的互动中,体内模拟的参与度更大.
结论:
- 自闭症与触摸观察期间功能性大脑架构的非典型,上下文依赖的调制有关.
- 神经补偿机制可能支持自闭症个体的适应性社会反应,具有更高的社交触摸偏好和反应能力.
- 观察到的补偿似乎局限于特定的大脑区域,而不是包括大规模的大脑网络.
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