Table 2. “Signatures” of Component Groups.
| All Noise (M1) | Eyeballs (M2) | Head Motion (M3) | Ventricles (M4) | |
| 1 | Percent total activation in GM | Percent total activation in eyeballs | Percent total activation skull | Percent total activation ventricles |
| 2 | Kurtosis of IC distribution | Percent total activation in GM | Percent total activation in WM | Percent total activation in WM |
| 3 | Percent total activation MNI152all edges | Spatial Entropy of IC distribution | avg jump max min | Caudate R |
| 4 | Percent total activation in CSF | Avg distance btw 10 local max | Percentage activation voxels LR symmetric | Percent total activation in GM |
| 5 | Angular L | Max cluster size 10 local max regiongrowing thresh 2.5 | Amygdala R | Caudate L |
| 6 | Angular R | Mean cluster size 10 local max regiongrowing thresh 2.5 | Percent total activation MNI152 all edges | |
| 7 | Cingulum Ant R | Percent total activation in WM | power band 0.008 to 0.02 Hz | |
| 8 | Temporal Sup L | Skewness of IC distribution | Percent total activation in CSF | |
| 9 | Avg distance btw 10 local max | Percentage activation voxels LR symmetric | four lag auto correlation | |
| 10 | Temporal Sup R | Percentage activation voxels LR symmetric | Amygdala L | |
| Weights | ||||
| 1 | 0.5586 | 0.5032 | 0.549 | 0.5201 |
| 2 | 0.2665 | −0.1894 | −0.1565 | 0.2634 |
| 3 | −0.2467 | 0.1884 | −0.1077 | 0.2459 |
| 4 | −0.2153 | 0.1797 | 0.0893 | −0.2025 |
| 5 | 0.2098 | −0.0674 | −0.0711 | −0.0674 |
| 6 | 0.1924 | −0.0653 | 0.0571 | |
| 7 | 0.1859 | −0.0444 | 0.0519 | |
| 8 | 0.1637 | 0.0354 | 0.051 | |
| 9 | 0.1619 | 0.0288 | 0.044 | |
| 10 | 0.1604 | −0.017 | −0.0425 |
Top 10 Chosen Features for classifiers M1, M2, M3, and M4 built using Data A (top), and associated weights (bottom). Gray Matter (GM), white matter (WM), cerebral spinal fluid (CSF). complete set of results included as Tables S1.