[Automatic sleep analysis. I. Scoring of parameters]
[Article in
German]
Affiliations
- PMID: 2110884
Item in Clipboard
[Automatic sleep analysis. I. Scoring of parameters]
[Article in
German]
EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb.
1990 Mar.
Abstract
EEG, EOG, EMG and motility are recorded and preprocessed by hardware filtering of EEG and hardware detection of sigma spindles, rapid eye movements (REMs) and delta-waves (greater than 45 microV). After AD-conversion calculation of mean values and smoothing, the sleep-wake-process can be represented by the time-curves of 8 parameters: mean amplitudes per epoch (30 s) of EMG, motility and EEG (in the delta- alpha- and beta-band), delta-time (time/epoch of counted delta-waves) and presence or absence of spindles and REMs per epoch. These parameters can be presented graphically or stored for further analysis of sleep stages, sleep structure or sleep periodicity.
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