Table 2.
Head motion and diffusion metric relations. All correlations were obtained after controlling for age and sex effects, and were derived from mean white matter values. Motion-metric relations were evaluated for statistical significance at the p < 0.001 level across all voxels and edges.
| Metric | Global White Matter rrelRMS | Global White Matter prelRMS | # Voxels Related to motion (p<0.001) | # Edges Related to motion (p<0.001) |
|---|---|---|---|---|
| msFA | −0.30 | 7.8 × 10−4 | 143 | 48 |
| msMD | 0.17 | 0.070 | 116 | 52 |
| msAD | −0.07 | 0.452 | 57 | 49 |
| msRD | 0.26 | 4.9 × 10−3 | 220 | 51 |
| ssFA | −0.22 | 0.017 | 113 | 45 |
| ssMD | 0.23 | 0.013 | 278 | 54 |
| ssAD | 0.11 | 0.219 | 102 | 53 |
| ssRD | 0.25 | 0.006 | 210 | 49 |
| ICVF | 0.05 | 0.571 | 138 | 48 |
| ODI | 0.40 | 7.7 × 10−6 | 162 | 59 |
| ISOVF | 0.39 | 1.33 × 10−5 | 480 | 118 |
| RTOP | −0.03 | 0.726 | 54 | 42 |
| RTAP | −0.15 | 0.114 | 114 | 44 |
| RTPP | 0.03 | 0.767 | 71 | 50 |