Table 4.
SPM main effect of grip versus rest (irrespective of TMS) and main effect of TMS high versus low TMS (irrespective of grip)
| Anatomical region | Side | Talairach coordinates in MNI space |
Maximum Z score | Cluster p value | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| Main effect of grip versus rest (irrespective of TMS) | ||||||
| Postcentral gyrus | i | 48 | −24 | 35 | 4.72 | <0.001 |
| Supplementary motor area | 3 | −6 | 69 | 4.62 | ||
| Dorsal premotor cortex | 30 | −15 | 72 | 4.22 | ||
| Inferior frontal gyrus | c | −51 | 6 | 27 | 4.26 | <0.05 |
| Superior parietal lobule | i | 24 | −60 | 57 | 4.60 | <0.001 |
| Superior parietal lobule | c | −33 | −48 | 60 | 5.01 | <0.001 |
| Inferior frontal gyrus | i | 63 | 12 | 18 | 3.69 | <0.05 |
| Dorsal premotor cortex | c | −24 | −12 | 63 | 3.89 | <0.05 |
| Ventral premotor cortex | c | −45 | 0 | 57 | 3.84 | <0.05 |
| Main effect of TMS high versus low (irrespective of TMS) | ||||||
| Rolandic operculum | i | 51 | −24 | 21 | 3.80 | <0.05 |
| Superior temporal gyrus | c | −54 | −30 | 12 | 3.92 | <0.05 |
| Middle cingulate cortex | c | −3 | 9 | 39 | 3.71 | <0.05 |
Height threshold of t > 3.5, uncorrected for multiple comparisons across whole brain, and extent (or cluster) threshold set at p < 0.05, corrected for multiple comparisons across whole brain. i, Ipsilesional; c, contralesional.