深度睡眠期间的皮层内功能连接揭示了亲社会偏好
Andjela Markovic1, Lorena R R Gianotti2, Mirjam Studler2
1Department of Social Neuroscience and Social Psychology, University of Bern, Bern, Switzerland; Department of Psychology, University of Fribourg, Fribourg, Switzerland.
深度睡眠通过减少社会大脑网络中的功能连接来增强亲社会性. 具体来说,在深度睡眠期间涉及右关节 (TPJ) 的较低连接性与更强的亲社会偏好相关.
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
- 睡眠科学 睡眠科学
背景情况:
- 亲社会性对于社会凝聚力至关重要.
- 之前的研究将睡眠期间右关节 (TPJ) 的慢波活动增加与增强的亲社会性联系起来.
- TPJ是大脑社交网络中的一个关键枢纽.
研究的目的:
- 研究深度睡眠期间右TPJ与其他社会大脑区域的功能连接之间的关系.
- 确定睡眠期间TPJ连接的个体间差异是否预测了亲社会偏好的变化.
主要方法:
- 全夜高密度脑电图 (EEG) 用于记录54名参与者在睡眠期间的大脑活动.
- 应用源定位和功能连接性分析,以缓慢波频率范围 (0.84.6 Hz) 的EEG数据.
- 右TPJ和23个社会大脑区域之间的连接与通过公共产品游戏测量的亲社会偏好相关.
主要成果:
- 在分析的23个连接中,在22个连接中观察到亲社会偏好和TPJ连接之间存在显著的负相关性.
- 六个连接在多次测试纠正后显示出显著的负相关性,这表明高亲社会性个体的TPJ连接性减少.
- 在深度睡眠期间,右TPJ与其他社会大脑区域的功能连接性较低与更强的亲社会偏好有关.
结论:
- 在深度睡眠期间,右TPJ在社会大脑网络中的功能连接性减少可能会促进亲社会决策.
- 这些发现表明,睡眠期间大脑的内部网络动态在调节社会行为的过程中起作用.
- 优化深度睡眠的恢复功能可以通过允许TPJ脱离广泛的社交网络互动来增强亲社会倾向.
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