ArticleBJPsych open2024
North Korean defectors with PTSD and complex PTSD show alterations in default mode network resting-state functional connectivity.
Article in BJPsych open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A neurocognitive account of complex PTSD: self-modelling, affective dysregulation, and implications for MDMA-assisted and targeted psychotherapies.European journal of psychotraumatology · 2026Review
- Distinct and shared neurobiological patterns in PTSD and CPTSD: evidence from resting-state fMRI.BMC psychiatry · 2026Article
- Biomarkers for complex post-traumatic stress disorder: translational and evolutionary perspectives.Frontiers in psychiatry · 2026Article
- Integration of Metabolomic and Brain Imaging Data Highlights Pleiotropy Among Posttraumatic Stress Disorder, Glycoprotein Acetyls, and Pallidum Structure.Biological psychiatry global open science · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundNorth Korean defectors (NKDs) have often been exposed to traumatic events. However, there have been few studies of neural alterations in NKDs with post-traumatic stress disorder (PTSD) and complex PTSD (cPTSD).
aimsTo investigate neural alterations in NKDs with PTSD and cPTSD, with a specific focus on alterations in resting-state functional connectivity networks, including the default mode network (DMN).
methodResting-state functional connectivity was assessed using brain functional magnetic resonance imaging in three groups of NKDs: without PTSD, with PTSD and with cPTSD. Statistical tests were performed, including region of interest (ROI)-to-ROI and ROI-to-voxel analysis, followed by
resultsIn the ROI-to-ROI analysis, differences in functional connectivity were found among the components of the DMN, as well as in the thalamus and the basal ganglia. Right hippocampus-left pallidum and right amygdala-left lingual gyrus connectivity differed between groups in the ROI-to-voxel analysis, as did connectivity involving the basal ganglia. The
conclusionsThe results suggest that there are alterations in the functional connectivity of the DMN and the limbic system in NKDs with PTSD and cPTSD, and that these alterations involve the basal ganglia. The lower correlations of CAPS score with right basal ganglia-DMN functional connectivity in patients compared with controls further implies that these connectivities are potential targets for treatment of PTSD and cPTSD.
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