Table 3.
Post hoc whole-brain analysis of GMV differences between groups.
| Anatomical region | Location | Cluster size | Test value |
MNI coordinate | |||
|---|---|---|---|---|---|---|---|
| p(cluster-level) | T | ||||||
| HC > PTSD | |||||||
| Hypothalamus | Bilateral | 355 | 0.001 | 5.92 | −5 | −4 | −9 |
| IPL | Left | 341 | 0.001 | 5.68 | −54 | −45 | 40 |
| ITG+MTG+fusiform | Right | 247 | 0.003 | 5.38 | 53 | −25 | −23 |
| OCD > PTSD | |||||||
| OFC | Left | 632 | <0.001 | 5.55 | −20 | 20 | 17 |
| CPL | Left | 208 | 0.004 | 5.5 | −53 | −61 | −29 |
| PHG+OFC | Right | 713 | <0.001 | 5.41 | 29 | 11 | −26 |
| MTG+ITG | Left | 496 | <0.001 | 5.29 | −54 | −58 | −5 |
| IPL | Left | 394 | 0.001 | 5.19 | −62 | −51 | 36 |
| Fusiform+ITG | Right | 302 | 0.002 | 4.94 | 54 | −17 | −30 |
| MTG | Left | 118 | 0.008 | 4.93 | −53 | −15 | −18 |
| SAD > PTSD | |||||||
| OFC | Right | 133 | 0.007 | 5.33 | 39 | 39 | −20 |
| MFG | Left | 317 | 0.002 | 5.24 | −45 | 26 | 42 |
p(FWE-corrected) < 0.05.
HC, healthy control; ITG, inferior temporal gyrus; MTG, middle temporal gyrus; PHG, parahippocampal gyrus; OFC, orbitofrontal cortex; MFG, middle frontal gyrus; CPL, cerebellum posterior lobe.