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Trauma and Stressor Related Disorders and Disasters

(PS13-75) An Ideographic Analysis of Specific Treatment Modules in Positive Processes and Transitions to Health (PATH)

Sunday, November 17, 2024
9:00 AM – 10:00 AM EST
Location: Franklin Hall, Level 4, Marriott Downtown
Abstract Text: Positive Processes and Transitions to Health (PATH) is a novel, modular transdiagnostic intervention that targets three mechanisms believed to maintain stressor-related psychopathology: unproductive event processing (e.g., rumination and overgeneralization), avoidance, and reward deficits. Understanding the unique impact of each targeted mechanism may inform efforts to increase efficacy and efficiency of interventions for stressor-related distress (Kazdin et al., 2019). Ideographic time series models offer a robust way to estimate effects of specific treatment modules on an individual’s symptoms. The aim of this study was to examine the unique impact of each PATH module on PTSD and MDD symptoms among five (N = 5) individuals who participated in the PATH program following a destabilizing life experience. Participants completed weekly self-report measures on PTSD (PSSR, Foa et al., 2017) and MDD (QIDS; Rush, 2003) severity and each target mechanism (PTCI; Foa et al., 1999; BADS; Kanter et al., 2007; SHAPS; Snaith et al., 1995). First order auto-regressive models quantified the change in scores across measures between pre- and post-module delivery. All individuals experienced meaningful reductions in PTSD and MDD symptoms. Change in unproductive processing was significantly associated with symptom reduction across all individuals and was the greatest driver of change in two individuals. Decreases in avoidance was associated with symptom reduction in all but one individual. Decreased reward deficits was the greatest driver of symptom reduction in two individuals and was non-significant in one individual. Overall, this study highlights that each target mechanisms has measurable and unique associations with improvements in stressor-related symptoms across individuals. Understanding the individual characteristics that predict which module is most helpful and how other therapeutic factors (e.g., alliance) impact these associations could offer a way to personalize treatment and improve outcomes among individuals with stressor-related psychopathology.