Table 1.

Summary of neuroimaging findings in PTSD

	Intrinsic Fc	Functional Activity	Between-network Fc	WM	GM
DMN	↓ vmPFC-hippocampus [20], vmPFC-posterior hippocampus [43], PCC-posterior hippocampus [43], PCC-hippocampus [21], PCC-vmPFC [21], overall [23], PCC-vmPFC-MTL [24]	↓ vmPFC, PCC [5–7, 4] ↓↑ hippocampus [5, 6] ↑ anterior hippocampus [6]	↑ Increased insula-hippocampus [20], amygdala-vmPFC [61]	↓ FA in cingulum (vmPFC-PCC) [26–28] ↓ FA in vmPFC-hippocampus [29, 30] ↓ vmPFC [25]	↓ vmPFC [31], PCC [32], MTL [32–34], hippocampus [35] ↓ anterior hippocampus [38, 39]
CEN	↓ premotor cortex-dlPFC, premotor cortex- parietal cortex/middle frontal gyrus [52], precuneus-CEN [24]	↓ dlPFC [4, 6] ↑ precuneus [6]	↑ SN-CEN coupling [62]	↑ FA in dlPFC [59]	↑↓ dlPFC [54–57]
SN	↑ amygdala-insula [60, 20], amygdala-dACC [61] ↓ dACC-SN [24]	↑ amygdala [4–6], dACC [6], anterior insula [4, 6, 7]	–	↓ FA in insula, cingulum [25–27]	↓↑ amygdala [65–67] ↓ dACC [68, 14, 31], insula [31, 57, 69]

Abbreviations — Fc: Functional Connectivity; WM: White Matter; GM: Gray Matter; DMN: Default Mode Network; CEN: Central Executive Network; SN: Salience Network; vmPFC: Ventral Prefrontal Cortex; PCC: Posterior Cingulate Cortex; MTL: Medial Temporal Lobe; FA: Fractional Anisotropy; dlPFC: Dorsolateral Prefrontal Cortex; dACC: Dorsal Anterior Cingulate Cortex.