Overcontrol and Suicide in PTSD

High standards and self-discipline are prized in military culture, but drawbacks of overcontrol are often ignored. Overcontrol, a transdiagnostic phenotype, is characterized by over-regulated behavior and cognitive rigidity, driven by an intense need for perfection and control. It is prevalent in obsessive-compulsive (OC) spectrum disorders, especially OC Personality Disorder (OCPD). Their inclination to set high expectations for others often causes interpersonal tension straining social bonds. When grappling with mental health challenges, overcontrolled individuals often do so with limited social support and consequently, may have poorer outcomes. Treatments enhancements are needed to improve interpersonal functioning, quality of life and mitigate suicide risk these vulnerable Veterans. Neuromodulation adjunctive to psychotherapy is a promising option. Key obstacles, however, impede the development of circuit-based treatments tailored to this phenotype: 1) limited validation of existing associations between interpersonal functioning and OCPD in a broader, overcontrolled sample, 2) the absence of a unified, transdiagnostic circuit model of overcontrol, and 3) robust methods for tracking gradual changes in individuals' functioning throughout the course of treatment. This pilot project will develop methods to address these knowledge gaps. Specifically, the investigators aim to: 1. Assess the feasibility of our recruitment strategy and evaluate interpersonal functioning in a cohort of trauma-exposed Veterans exhibiting overcontrolled traits. 2. Test the feasibility and acceptability of a three-session, weekly fMRI protocol focused on the circuitry of overcontrol, while evaluating within-subject reliability of observed neural correlates. 3. Examine the feasibility and acceptability of a three-week protocol for remote monitoring of weekly variance in socio-occupational functioning and emotional regulation. In service of these Aims, the investigators plan to enroll and screen up to 74 Veterans aged 18-65 who are currently receiving care at either PVAMC's Trauma Recovery Clinic (TRC) or Women's Health Clinic (WHC), the latter included to boost female participation. All those who consent to participate will complete the screening assessment. Of these 74 screened participants, the investigators anticipate that 36 Veterans will meet our inclusion/exclusion criteria and will be invited to complete additional psychosocial assessments. A subset of participants (up to n=18) will be invited to complete three MRI sessions and six brief at-home assessments asking questions about stress, emotional regulation, and socio-occupational functioning.