Table 4. Connectivity clusters within sensorimotor cortex during group analysis.
| Task | Seed | Hemisphere (SMC) | Region | Cluster size | Z-score (peak) |
Peak Coordinates |
|---|---|---|---|---|---|---|
| Sequence learning | Structural: B1- |
left | postcentral | 29 | 4.18 | (-34,-36,50) (-42,-28,54) |
| left | precentral | 10 | 4.64 | (-34,-12,66) | ||
| Structural: B2- |
left | postcentral | 32 | 4.09 | (-42,-28,54) | |
| left | precentral | 19 | 3.86 | (-42,-28,58) | ||
| Functional: memseed+ |
right | precentral postcentral |
40 | 4.03 | (46,-24,54) (42,-12,50) (30,-20,58) |
|
| Functional: memseed- |
left | precentral postcentral |
87 | 5.01 | (-34,-12,66) (-38,-36,58) (-38,-32,46) |
|
| Functional: tapseed- |
left | postcentral | 33 | 4.21 | (-38,-28,46) (-42,-28,54) (-38,-12,62) |
|
| left | precentral | 19 | 4.76 | (-38,-12,62) | ||
| Repetitive tapping | Structural: A2- |
right | precentral | 44 | 4.28 | (38,-24,46) (38,-28,58) (34,-16,54) |
| Structural: A3- |
right | precentral | 42 | 4.13 | (42,-24,46) (42,-24,58) (38,-16,58) |
|
| Structural: B3- |
right | precentral | 22 | 3.91 | (38,-24,46) (38,-28,58) (34,-16,54) |
|
| Functional: memseed- |
right | precentral | 52 | 4.50 | (42,-24,46) (34,-24,62) |
|
| Functional: tapseed- |
right | precentral | 54 | 4.67 | (38,-28,58) (42,-24,46) (34,-16,54) |
Connectivity clusters within the hand representation using FWE correction of p = .05 for intensity and an extent threshold of 20 voxels; structural seeds survived an additional intensity correction for multiple comparisons across the nine seeds tested.