TITLE

Anteroposterior Difference in EEG Sleep Depth Measure is Reduced in Apnea Patients

AUTHOR(S)
Huupponen, Eero; Saastamoinen, Antti; Joutsen, Atte; Virkkala, Jussi; Alametsä, Jarmo; Hasan, Joel; Värri, Alpo; Himanen, Sari-Leena
PUB. DATE
October 2005
SOURCE
Journal of Medical Systems;Oct2005, Vol. 29 Issue 5, p527
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In the present work, mean frequencies of FFT amplitude spectra from six EEG derivations were used to provide a frontopolar, a central and an occipital sleep depth measure. Parameters quantifying the anteroposterior differences in these three sleep depth measures during the night were also developed. The method was applied to analysis of 30 all-night recordings from 15 healthy control subjects and 15 apnea patients. Control subjects showed larger differences in sleep depth between frontopolar and central positions than the apnea patients. The relatively reduced frontal sleep depth in apnea patients might reflect the disruption of the dynamic sleep process caused by apneas.
ACCESSION #
10766715

 

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