Summary of individual group contrasts
| Contrast | S-RS | M-RS | M-RS – S-RS | |
|---|---|---|---|---|
| α Power | PTSD vsHC | PCC/Precun. (20, –60, 35)(t = –3.00; k = 71) Cun./SOC (45, –80, 25) (t = –3.42;k = 71) R. Insula (35, –5, 15) (t = –3.18;k = 10) | PCC/Precun. (5, –55, 50) (t = –2.41; k = 121) mPFC (10, 65, 0) (t = –2.87; k = 10) R. Insula (45, –5, 15) (t = –2.98; k = 10) | n.s. |
| PTSD vsGAD | PCC/Precun. (15, –50, 40)(t = –3.31; k = 112) Cun. (5, –65, 15) (t = –2.88;k = 112) L. Insula (–30, 25, 0) (t = –4.29;k = 30) | PCC/Precun. (15, –45, 40) (t = –3.31; k = 102) mPFC (–15, 65, –15) (t = –3.31; k = 95) R./L. Insula (60, –15, 30/–30, 25, 5)(t = –3.96/–3.58; k = 64/65) | n.s. | |
| α Connectivity | PTSD vsHC | PCC→VC* (t = –1.72, p = 0.046) | PCC→mPFC (t = –2.68, p = 0.010) VC→PCC (t = –2.36, p = 0.023) | VC→PCC* (t = –1.87,p = 0.034) |
| PTSD vsGAD | PCC→VC* (t = –1.83, p = 0.037) | PCC→mPFC (t = –2.68, p = 0.010) VC→PCC (t = –3.30, p = 0.002) mPFC→PCC (t = –3.25, p = 0.003) | VC→PCC* (t = –1.87,p = 0.035) VC→mPFC (t = –2.29,p = 0.027) |
All effects survived FDR p < 0.05.
↵* one-tailed. Peak MNI coordinates (x, y, z) are provided, along with cluster sizes (k). SOC = superior occipital gyrus; R/L = right/left.