Table 2.
Brain regions (and coordinates) showing selectively greater activation for the PTSD compared to neurotypical participants for positive and negative words.
| Condition | Cluster size (voxels) | z | x | y | z | Region |
|---|---|---|---|---|---|---|
| PTSD-NT | ||||||
| Positive words | 545* | 3.97 | 26 | −10 | 6 | Right Putamen |
| 3.38 | 26 | 0 | 0 | Right Putamen | ||
| 3.14 | 40 | 4 | 8 | Central Operculum | ||
| 3.09 | 20 | 10 | 6 | Right Putamen | ||
| 3.06 | 36 | 12 | 0 | Right Insula | ||
| 2.88 | 28 | 16 | −2 | Right Insula | ||
| 518* | 3.75 | −36 | −12 | 4 | Left Insula | |
| 3.73 | −30 | −12 | 4 | Left Putamen | ||
| 3.68 | −18 | 10 | 4 | Left Putamen | ||
| 3.62 | −36 | 2 | 8 | Left Insula | ||
| 3.45 | −28 | −16 | 2 | Left Putamen | ||
| 3.18 | −26 | 0 | 0 | Left Putamen | ||
| Negative words | 490* | 3.70 | 20 | 0 | 0 | Right Pallidum |
| 3.35 | 24 | −28 | 4 | Right Thalamus | ||
| 3.29 | 26 | −12 | 4 | Right Putamen | ||
| 3.28 | 26 | 0 | 0 | Right Putamen | ||
| 3.22 | 26 | 2 | 4 | Right Putamen | ||
| 3.17 | 28 | −4 | 2 | Right Putamen | ||
| 455* | 3.68 | −26 | 0 | 0 | Left Putamen | |
| 3.64 | −36 | 0 | 8 | Left Insula | ||
| 3.51 | −28 | −8 | 4 | Left Putamen | ||
| 3.40 | −38 | −12 | 2 | Left Insula | ||
| 3.03 | −28 | −16 | 4 | Left Putamen | ||
| 2.94 | −26 | −20 | 2 | Left Pallidum |
Note. The cluster size is presented as the number encompassing voxels with statistical significance: ***p < .001, **p < .01, *p < .05. Also included are the intensity (z-scores), location (MNI coordinates), and region of the peak voxels (maximum intensity).