CAP sleep in insomnia: New methodological aspects for sleep microstructure analysis
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abstract
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This work aims to propose new methodologies for the quantitative characterization of insomnia. Sleep microstructure, as expressed by Cyclic Alternatic pattern (CAP) sleep, is studied and differences between normal sleepers and insomniacs are investigated. The dynamic in the structure of CAP activation events is studied by use of wavelet analysis and the content of events, i.e. EEG dynamics, is studied in terms of complexity analysis. Both in structure and content, features exhibiting statistically significant differences are proposed, opening new perspectives for the understanding and the quantitative characterization of sleep and its disorders. © 2011 IEEE.
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Complexity analysis; Methodological aspects; Microstructure analysis; Quantitative characterization; Statistically significant difference; Activation analysis; Microstructure; Wavelet analysis; Sleep research; adult; algorithm; article; computer assisted diagnosis; electroencephalography; female; human; insomnia; male; methodology; middle aged; pathophysiology; periodicity; reproducibility; sensitivity and specificity; sleep stage; wavelet analysis; Activity Cycles; Adult; Algorithms; Diagnosis, Computer-Assisted; Electroencephalography; Female; Humans; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Sleep Initiation and Maintenance Disorders; Sleep Stages; Wavelet Analysis
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