Results of the planned post hoc comparison in regions with a significant group effect (see Table 4)
| Region | DAD versus | HC/MCI | Mean difference (SE) | Significance | Confidence level | |
|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||
| SMA | ||||||
| SMA | DAD | HC | 0.204 (0.067) | 0.031 | 0.069 | 0.338 |
| SMA | DAD | MCI | 0.128 (0.055) | 0.021 | 0.019 | 0.237 |
| Angular gyrus | ||||||
| AG | DAD | HC | 0.340 (0.139) | 0.015 | 0.064 | 0.617 |
| AG | DAD | MCI | 0.280 (0.113) | 0.016 | 0.055 | 0.505 |
| SPL | ||||||
| SPL | DAD | HC | 0.185 (0.078) | 0.021 | 0.028 | 0.340 |
| SPL | DAD | MCI | 0.164 (0.064) | 0.012 | 0.037 | 0.290 |
| DPMC | ||||||
| DPMC | DAD | HC | 0.224 (0.085) | 0.010 | 0.055 | 0.393 |
| DPMC | DAD | MCI | 0.155 (0.069) | 0.027 | 0.017 | 0.290 |
HC, healthy controls; MCI, mild cognitive impairment; DAD, dementia of the Alzheimer's disease type; SE, standard error; SMA, supplementary motor area; SMG, supramarginal gyrus; SPL, superior parietal lobe; DPMC, dorsal premotor cortex. Bold numbers denote significant effects (p < .05).