睡眠阶段转换中的不对称性及基本路径
Asymmetry and Basic Pathways in Sleep-Stage Transitions.
作者信息
Lo Chung-Chuan, Bartsch Ronny P, Ivanov Plamen Ch
机构信息
Institute of Systems Neuroscience, National Tsing Hua University, Hsinchu 30013, Taiwan.
Harvard Medical School and Division of Sleep Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA.
出版信息
Europhys Lett. 2013 Apr 1;102(1):10008. doi: 10.1209/0295-5075/102/10008.
Abstract
We study dynamical aspects of sleep micro-architecture. We find that sleep dynamics exhibits a high degree of asymmetry, and that the entire class of sleep-stage transition pathways underlying the complexity of sleep dynamics throughout the night can be characterized by two independent asymmetric transition paths. These basic pathways remain stable under sleep disorders, even though the degree of asymmetry is significantly reduced. Our findings indicate an intriguing temporal organization in sleep dynamics at short time scales that is typical for physical systems exhibiting self-organized criticality (SOC).
摘要
我们研究睡眠微观结构的动力学方面。我们发现睡眠动力学表现出高度的不对称性，并且整夜睡眠动力学复杂性背后的整个睡眠阶段转换路径类别可以由两条独立的不对称转换路径来表征。即使不对称程度显著降低，这些基本路径在睡眠障碍下仍保持稳定。我们的研究结果表明，在短时间尺度上，睡眠动力学存在一种有趣的时间组织，这是表现出自组织临界性（SOC）的物理系统所特有的。
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