Fig. (1) Percent change from the control norm in the strength of operational synchrony within the three OMs of the brain self-referential network in the sub-PTSD group. The Y-axis presents percent change. The X-axis represents the three OMs. The schematic cortex maps below and above the graphs indicate the positions of OMs (dark blue shapes). Abbreviations: OM: Operational Module; PTSD: Post-Traumatic Stress Disorder. * - p < 0.05.