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. 2021 Mar 31;14:100321. doi: 10.1016/j.ynstr.2021.100321

Fig. 1.

Fig. 1

Differences in connectivity in PTSD compared to HC identified with network-based statistics. For HC > PTSD, a network comprised of 203 regions and 420 edges (connections) was identified (p < 0.001, FWE-corrected) (A–C). For PTSD > HC a network comprised of 34 regions and 50 edges (connections) was identified (D–F). A & D) all significant nodes and edges of HC > PTSD subnetwork visualized on the surface of the brain (created using BrainNet viewer) B & E) a heatmap of the mean t-statistic of significantly different connections within and between the eight primary functional networks. Larger circle size and darker colour represent greater mean t-statistic of connections (larger difference in HC and PTSD connectivity). Networks are ordered based on their overall contribution to the difference in connectivity between PTSD and HC. C & F) Shows the difference in mean connectivity across all significant regions between groups. PTSD – Posttraumatic Stress Disorder, HC – Healthy Controls.