Assessment of the EEG complexity during activations from sleep

被引：29
|
作者：
Chouvarda, I. [1 ,4 ]
Rosso, V. [2 ]
Mendez, M. O. [3 ]
Bianchi, A. M. [4 ]
Parrino, L. [2 ]
Grassi, A. [2 ]
Terzano, M. [2 ]
Cerutti, S. [4 ]
机构：
[1] Aristotle Univ Thessaloniki, Sch Med, Lab Med Informat, GR-54006 Thessaloniki, Greece
[2] Univ Parma, Dept Neurol, Sleep Disorders Ctr, I-43100 Parma, Italy
[3] Fac Ciencias, San Luis Potosi, Slp, Mexico
[4] Politecn Milan, Dept Biomed Engn, Milan, Italy
来源：
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE | 2011年 / 104卷 / 03期
关键词：
Sleep structure; EEG analysis; CAP sleep; Sleep activations; Sample entropy; Fractal dimension; EEG complexity; AROUSALS; COMPONENTS; DIMENSION; CAP;
D O I：
10.1016/j.cmpb.2010.11.005
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The present study quantitatively analyzes the EEG characteristics during activations (Act) that occur during NREM sleep, and constitute elements of sleep microstructure (i.e. the Cyclic Alternating Pattern). The fractal dimension (FD) and the sample entropy (SampEn) measures were used to study the different sleep stages and the Act that build up the sleep structure. Polysomnographic recordings from 10 good sleepers were analyzed. The complexity indexes of the Act were compared with the non-activation (NAct) periods during non-REM sleep. In addition, complexity measures among the different Act subtypes (A1, A2 and A3) were analyzed. A3 presented a quite similar complexity independently of the sleep stage, while A1 and A2 showed higher complexity in light sleep than during deep sleep. The current results suggest that Act present a hierarchic complexity between subtypes A3 (higher), A2 (intermediate) and A1 (lower) in all sleep stages. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码：E16 / E28
页数：13
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