Table 4. Spectral coefficients (mean ± standard deviation across subjects) of each ICA correction in Dataset2.
| Calculation on whole data (ICA_whole) | Calculation on PA intervals (ICA_R) | |||||||
| Correction method | pvaf | corr | wave | pacf | pvaf | corr | wave | pacf |
| Group_test | ||||||||
| Delta+Theta ratio | 0.8859±0.1667 | 1.5801±0.2256 | 1.4314±0.3079 | 1.3229±0.3672 | 0.9595±0.1271 | 1.3672±0.3622 | 1.3589±0.2012 | 1.3660±0.4060 |
| QC_test | ||||||||
| QC | 0.6957±0.2535 | 0.8203±0.1961 | 0.8536±0.2019 | 0.7822±0.4141 | 0.8010±0.2840 | 0.8481±0.1498 | 0.9987±0.2165 | 1.0207±0.4961 |
| Alpha ratio | 0.3628±0.1291 | 0.7445±0.1373 | 0.5980±0.2921 | 0.4855±0.2369 | 0.4604±0.1916 | 0.7828±0.1094 | 0.5463±0.2293 | 0.7112±0.2951 |
| Delta ratio | 0.6399±0.2385 | 0.9810±0.1830 | 0.7149±0.2566 | 0.6875±0.2113 | 0.5963±0.2051 | 0.9843±0.1789 | 0.5974±0.2190 | 0.7371±0.2399 |
| Theta ratio | 0.4496±0.1034 | 0.8640±0.1053 | 0.6329±0.2717 | 0.6370±0.2676 | 0.5694±0.2446 | 0.8772±0.0971 | 0.5135±0.1741 | 0.7176±0.2886 |
Group_test: delta+theta ratio (delta+theta power after ICA correction divided by delta+theta power before ICA correction), averaged over all subjects and channels. QC_test: QC, alpha ratio, delta ratio and theta ratio averaged over the occipital channels of the four subjects with alpha rhythm.