在催眠中,视觉影响性日间残留物涉及皮层,皮下和小脑结构之间的顺序双半球相互作用
George Vagner Souza1, Natália Bezerra Mota2,3, Allan Kardec Barros4
1Laboratório de Processamento da Informação Biológica, Universidade Federal do Maranhão, São Luís, Brasil.
Communications biology
|July 3, 2025
概括
这项研究揭示了大脑在睡眠期间如何处理日常经历. 在催眠睡眠期间高频度的大脑活动与更强烈的催眠睡眠相关.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 睡眠研究 睡眠研究
背景情况:
- 清醒经历,或"白天残留",影响睡眠期间的思维过程.
- 在催眠睡眠期间处理视觉和情感"白天残留物"的神经机制仍然不清楚.
- 了解这种相互作用对于破译睡眠如何巩固清醒思维至关重要.
研究的目的:
- 绘制神经源和功能连接的地图,与在催眠睡眠期间的"日间残留物"的视觉情感处理有关.
- 研究电脑电图 (EEG) 功率,残留强度和特定的大脑网络之间的关系.
- 阐明在睡眠过渡期间参与处理清醒经验的大脑结构的动态相互作用.
主要方法:
- 在28名健康参与者中使用了一个睡眠协议,连续唤醒28名健康参与者.
- 包括睡眠前刺激与情感视觉图像和图像和图像报告之间的语义相似性的评估.
- 采用64通道脑电图 (EEG) 来进行源估计和功能连接分析,以及影响评级.
主要成果:
- 低频EEG功率与较弱的"日间残留"相关,而高频EEG功率与较强的残留相关.
- 截然不同的神经源网络与整个清醒睡眠状态的图像和情感残留有关.
- 在N1睡眠期间,与默认模式网络发现了显著的重叠 (50%的图像,61%的情感残留).
结论:
- 鉴定了在催眠睡眠期间"白天残留物"的视觉情感处理的神经相关物.
- 证明催眠处理涉及复杂,动态和连续的两半球相互作用,跨越多个大脑结构.
- 突出了视觉,边缘,光运动和认知网络在睡眠开始期间整合清醒体验的参与.
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