Table 3. Location of group sensorimotor cortical activation.
| Task | Hemisphere | Cluster size | Z-score (peak) |
Peak Coordinates |
|---|---|---|---|---|
| Smoothing kernel = 10mm | ||||
| Sequence learning | left | 227 | 6.08 5.69 5.67 |
(-42,-36,54) (-42,-4,46) (-38,-8,54) |
| Repetitive tapping | right | 157 | 5.04 5.01 |
(42,-20,54) (46,-16,50) |
| left | 71 | 4.69 4.27 |
(-42,-4,46) (-50,0,38) |
|
| Combined (global analysis) |
left | 165 | 5.82 5.65 5.07 |
(-46,-36,54) (-42,-4,46) (-50,0,38) |
| right | 168 | 5.16 5.05 5.00 |
(46,-32,50) (46,-16,50) (42,-24,54) |
|
| Smoothing kernel = 6mm | ||||
| Sequence learning | left | 87 | 5.15 | (-42,36,58) (-34,-16,58) (-30,-24,54) |
| Repetitive tapping | right | 54 | 4.90 | (34,-20,58) (42,-20,50) |
| Combined (global analysis) |
right | 52 | 4.80 | (42,-20,50) (34,-20,58) |
| Task comparison | ||||
| sequence > repetitive | left | 13 | 4.07 | (-42,-24,58) (-34,12,62) |
| repetitive > sequence | right | 40 | 4.78 | (34,-20,58) (42,-20,50) |
Activation clusters within the sensorimotor mask, surviving an intensity threshold of p = 0.05 with a family-wise error correction and extent threshold of 20. Peak locations are specified in MNI coordinates.