ArticleMolecular psychiatry2026
The role of white matter microstructure in the association between childhood maltreatment and adult post-traumatic symptoms.
Article in Molecular psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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22 authors.
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Abstract
Childhood maltreatment (CM) is a risk factor for adult post-traumatic symptoms and white matter (WM) alterations. It remains unknown how WM microstructure is affected alongside two common military conditions, post-traumatic stress disorder (PTSD) and mild traumatic brain injury (mTBI). Data from 299 participants (53% male, 35.69 ± 12.23 years of age) of the Injury and Traumatic Stress (INTRuST) clinical consortium was analyzed. The study included 56 individuals with PTSD (41 with comorbid mTBI), 107 with mTBI, and 136 controls (no PTSD and/or mTBI). Diffusion parameters (mean, axial, and radial diffusivity, MD, AD, RD; fractional anisotropy, FA) in major WM tracts were extracted from diffusion MRI. CM was assessed using the Childhood Trauma Questionnaire (CTQ). Multiple regression models examined associations between CM severity and WM diffusion. Moderation analyses assessed the effect of PTSD and/or mTBI on these associations. Mediation analyses examined how WM diffusion affects the associations between CM and both PTSD and post-concussive symptom severity. Greater CM severity was associated with lower MD and AD, independent of PTSD and/or mTBI. WM diffusion, particularly in the corpus callosum and the superior longitudinal fasciculus, mediated the associations between CM severity and both PTSD (MD b
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