Table 2 List of features. List of 25 features extracted from EEG data
From: EEG dynamical correlates of focal and diffuse causes of coma
Feature ID | Description |
|---|---|
1–2 | Maximum, minimum eigenvalues of the estimated A matrix from MVAR fitting of EEG data with unit order; see Eq. (1) |
3 | Number of absolute eigenvalues of matrix A larger than Threshold = 0.95; see Eq. (1) |
4–6 | Statistical properties: variance, skewness, and kurtosis |
7–11 | Power in the delta, theta, alpha, beta, and gamma bands |
12 | Ratio of power in beta and gamma bands to total power |
13 | Ratio of power in delta and theta bands to total power |
14 | Hurst exponent [33] |
15 | Hjorth parameters [33] |
16–19 | Equidistant mutual information, Equiprobable mutual information, and the first minimums of both types of mutual information [33] |
20 | Bicorrelation |
21 | Median frequency [33] |
22–24 | Spearman autocorrelation, Pearson autocorrelation, and partial autocorrelation |
25 | Composite permutation entropy index (CPEI) [62] |