Table 2.
Brain regions that demonstrated differences by experimental group (No Stress vs. Acute Stress) for Reward – Punishment and High – Low Magnitude contrasts (p < 0.005, corrected).
| Activated region | Laterality | Talairach coordinates |
Voxel count (mm3) | T-value | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| REWARD – PUNISHMENT (NO STRESS > ACUTE STRESS GROUP) | ||||||
| Superior parietal lobule (BA 7) | R | 38 | −65 | 48 | 355 | 4.24 |
| Middle frontal gyrus (BA 6) | R | 41 | 13 | 45 | 239 | 4.74 |
| Inferior parietal lobule (BA 40) | R | 41 | −38 | 42 | 2693 | 5.58 |
| Middle frontal gyrus (BA 9) | R | 35 | 31 | 30 | 1382 | 5.48 |
| Middle frontal gyrus (BA 9) | L | −28 | 13 | 30 | 135 | 4.70 |
| Precentral Gyrus (BA 6) | R | 35 | 4 | 27 | 152 | 5.25 |
| Caudate (dorsal striatum) | R | 14 | 4 | 18 | 206 | 3.74 |
| Putamen (dorsal striatum) | L | −22 | 4 | 6 | 138 | 4.43 |
| Orbitofrontal cortex (BA 47) | L | −40 | 43 | −6 | 170 | 3.81 |
| Middle temporal gyrus (BA 21) | R | 53 | −32 | −9 | 188 | 4.35 |
| Inferior temporal gyrus (BA 37) | R | 53 | −53 | −12 | 137 | 4.13 |
| Inferior temporal gyrus (BA 20) | L | −55 | −26 | −18 | 146 | 4.31 |
| Fusiform gyrus (BA 20) | L | −58 | −14 | −24 | 186 | 4.22 |
| REWARD – PUNISHMENT (ACUTE STRESS > NO STRESS GROUP) | ||||||
| Cuneus/posterior cingulate (BA 18/31) | L | −25 | −56 | 6 | 177 | −4.22 |
| HIGH – LOW MAGNITUDE (NO STRESS > ACUTE STRESS GROUP) | ||||||
| Inferior frontal gyrus (BA 45) | L | −58 | 13 | 18 | 873 | 5.77 |
BA, Brodmann Area; L, left; R, right.