Table 1 Features used in this study
Label | Short description | Type |
|---|---|---|
F1 | Signal skewness | EEG time domain |
F2 | Signal kurtosis | |
F3 | Zero crossing rate | |
F4 | Hjorth mobility | |
F5 | Hjorth complexity | |
F6 | 75th percentile | |
F7 | Channel correlation | |
F8 | EMG power | EMG proxy |
F9 | Minimal EMG power | |
F10 | Relative EMG burst amplitude | |
F11 | Slow eye movement power | EOG proxy |
F12 | Rapid eye movement power | |
F13, F14, F15, F16 | Relative power in \(\alpha ,\beta ,\theta ,\delta\)-bands | EEG frequency domain |
F17, F18, F19, F20, F21, F22 | Power-ratios: \(\alpha /\delta ,\delta /\beta ,\delta /\theta ,\theta /\alpha ,\theta /\beta ,\alpha /\beta\) | |
F23 | \((\theta +\delta )/(\alpha +\beta )\) | |
F24 | Spectral edge frequency | |
F25 | Median power frequency | |
F26 | Mean spectral edge frequency difference | |
F27 | Peak power frequency | |
F28 | Spectral entropy | |
F29 | Spindle probability | Sleep event proxies |
F30 | Frequency stationarity | |
F31 | Lowest adj. frequency similarity | |
F32 | Largest CWT value | |
F33 | Longest sleep spindle |