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A simple system for detection of EEG artifacts in polysomnographic recordings

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5 Author(s)
Durka, P.J. ; Lab. of Med. Phys., Warsaw Univ., Warszawa, Poland ; Klekowicz, H. ; Blinowska, K.J. ; Szelenberger, W.
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We present an efficient parametric system for automatic detection of electroencephalogram (EEG) artifacts in polysomnographic recordings. For each of the selected types of artifacts, a relevant parameter was calculated for a given epoch. If any of these parameters exceeded a threshold, the epoch was marked as an artifact. Performance of the system, evaluated on 18 overnight polysomnographic recordings, revealed concordance with decisions of human experts close to the interexpert agreement and the repeatability of expert's decisions, assessed via a double-blind test. Complete software (Matlab source code) for the presented system is freely available from the Internet at

Published in:

Biomedical Engineering, IEEE Transactions on  (Volume:50 ,  Issue: 4 )