Table 5.
Comparison of effective connectivity to the right amygdala.
| Brain regions | MNI coordinates (mm) (x, y, z) | Voxel number | t value |
|---|---|---|---|
| PTSD–TEC | |||
| Left precuneus/PCC | −3, −51, 33 | 88 | 3.15 |
| Bilateral SMA/paracentral lobule | 3, −12, 69 | 179 | −3.94 |
| PTSD–HC | |||
| Left precuneus/PCC | −3, −51, 21 | 85 | 3.32 |
| Right MFG | 39, 12, 27 | 70 | 4.16 |
| Left STG/postcentral gyrus | −57, −21, 6 | 176 | −3.44 |
| Right STG/postcentral gyrus | 63, −6, 15 | 156 | −4.17 |
| Left MFG | −30, 39, 24 | 62 | −3.37 |
| Right MFG | 30, 51, 3 | 70 | −3.69 |
| TEC–HC | |||
| Bilateral vmPFC | 12, 54, −15 | 76 | −3.82 |
| Left STG/postcentral gyrus | −57, −12, 15 | 110 | −3.75 |
| Left OFC | −27, 42, −15 | 93 | −3.85 |
| Right OFC | 18, 54, −12 | 63 | −4.73 |
| Left cuneus/precuneus | −9, −75, 33 | 77 | −3.87 |
PTSD, post-traumatic stress disorder group; TEC, trauma-exposed control group; HC, healthy control group; MNI, Montreal Neurologic Institute; PCC, posterior cingulate cortex; SMA, supplementary motor area; MFG, middle frontal gyrus; STG, superior temporal gyrus; MFG, middle frontal gyrus; vmPFC, ventral medial prefrontal cortex; SPL, superior parietal lobule; MOG, middle occipital gyrus; IPL, inferior parietal lobule; SFG, superior frontal gyrus; vmPFC, ventral medial prefrontal cortex; OFC, orbital frontal cortex.