Table 4.
Brain regions with associations of longitudinal changes in brain activation to changes in onset time and mean velocity (see Figs. 4, 5)
| Brain region | Covariate | Coordinates (MNI)
|
Correlation coefficient a
|
|||
|---|---|---|---|---|---|---|
| Zmax | x | y | z | R | ||
| R dorsal premotor cortex b, BA 6 | Onset time | 5.0 | 39 | −2 | 56 | 0.63 |
| L dorsal premotor cortex b, BA 6 | Velocity | 4.4 | −52 | 4 | 50 | −0.66 |
| L DLPFC c, BA 45/46/47 | Velocity | 5.1 | −52 | 36 | 16 | −0.69 |
a
Post hoc VOI based Spearman rank correlation coefficient; p<0.01 for all post hoc analyses.
b
SPM peak voxel uncorrected p<0.001.
c
SPM cluster level corrected p<0.05.