Table 4. Sstop>Go activations that were unaffected by exclusive masking with the Stop_VSST_C>Go_VSST_C contrast in the placebo group (p <.005, unc. k ≥ 13 voxels).
| Region | Cluster | L/R | T | MNI coord. x, y, z |
|---|---|---|---|---|
| Prefrontal Cortex | ||||
| Inferior Frontal pars Opercularis (BA48) | 442 | R | 8.89 | 46 12 12 (32 14 121) |
| Middle Frontal gyrus (BA46) | 127 | L | 5.89 | -42 38 34 |
| Posterior insula (BA48) | 15 | R | 4.21 | 36 -18 20 |
| Anterior insula (BA48) | 41 | L | 4.01 | -28 26 4 |
| Insula (BA48) | 64 | R | 6.51 | 38 -2 -6 |
| Pre-SMA (BA6) | 294 | R | 5.53 | 12 12 48 |
| Paracentral lobule/SMA proper (BA4) | 17 | L | 4.62 | -12-24 52 |
| Middle cingulate | 57 | R | 4.2 | 14-22 40 |
| Precentral gyrus (BA6) | 58 | L | 5.57 | -30-6 48 |
| Parietal/Temporal cortex | ||||
| Supramarginal gyrus (BA40) | 107 | L | 4.82 | -62-30 30 |
| Superior Parietal gyrus | 96 | L | 4.24 | -40-48 62 |
| Inferior Temporal gyrus | 16 | R | 4.37 | 50-58 -18 |
| Middle Temporal pole/Parahip/pal gyrus | 112 | R | 7.43 | 22 6-32 |
| Middle Temporal gyrus (BA37) | 44 | L | 4.84 | -58-64 4 |
| Occipital cortex/Cerebellum | ||||
| Middle Occipital gyrus (BA18) | 78 | R | 6.73 | 40-84 2 |
| Cerebellum | 90 | L | 5.61 | -8-80 -44 |
| Subcortical areas | ||||
| Putamen | 26 | L | 4.43 | -24 12 6 |
| Caudate | 19 | L | 4.3 | -6 8 10 |
| Hypothalamus | 15 | L | 4.09 | -8-8 -8 |
BA = Broadmann area; R=right, L=left; MNI coordinates represent cluster peaks; 1The MNI coordinates for a sub-cluster within Frontal Pars Opercularis (BA48) which survived exclusive masking and was also affected by the low alcohol dose.