Analysis of EEG activity during sleep - brain hemisphere symmetry of two classes of sleep spindles

Smolen, Magdalena

doi:10.2478/v10013-009-0007-7

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Analysis of EEG activity during sleep - brain hemisphere symmetry of two classes of sleep spindles

Polish Journal of Medical Physics and Engineering

Volume 15 (2009): Issue 2 (June 2009)

By: Magdalena Smolen

Open Access

|Sep 2010

Abstract

This paper presents automatic analysis of some selected human electroencephalographic patterns during deep sleep using the Matching Pursuit (MP) algorithm.

The periodicity of deep sleep EEG patterns was observed by calculating autocorrelation functions of their percentage contributions. The study confirmed the increasing trend of amplitude-weighted average frequency of sleep spindles from frontal to posterior derivations. The dominant frequencies from the left and the right brain hemisphere were strongly correlated.

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