Ruminative thinking styles differentially relate to posttraumatic stress versus growth following trauma exposure.
Laura Mertens1, Gerly Tamm1, Kristof Hoorelbeke1
1Department of Experimental Clinical and Health Psychology, Ghent University.
Summary
This study reveals that depressive and deliberate rumination are central to posttraumatic stress disorder (PTSD) symptoms. Deliberate rumination uniquely links to posttraumatic growth, suggesting a more adaptive cognitive style.
Area of Science:
- Psychology
- Clinical Psychology
- Trauma Studies
Background:
- Posttraumatic stress disorder (PTSD) affects 3.9% of the population.
- Ruminative thinking and posttraumatic growth are linked to PTSD development.
- Understanding these interrelations is crucial for effective interventions.
Purpose of the Study:
- To examine the unique interrelations among ruminative thinking styles, metacognitive beliefs, effortful control, and posttraumatic outcomes.
- To investigate the role of different rumination styles in PTSD symptom development and posttraumatic growth.
- To utilize network analysis for modeling complex psychological relationships.
Main Methods:
- Cross-sectional data from two population-representative samples (N=715).
- Inclusion criteria: meeting Criterion A for PTSD.
- Variables: intrusive, deliberate, depressive rumination, metacognitive beliefs, effortful control, posttraumatic growth, symptom severity.
- Analysis: Network analysis to model interrelations.
Main Results:
- Depressive rumination, deliberate rumination, and negative metacognitive beliefs about rumination were central.
- Deliberate rumination showed the strongest association with posttraumatic growth.
- Effortful control was negatively linked to depressive rumination, potentially acting as a protective factor.
- Metacognitions, especially negative beliefs about rumination, played a significant role.
Conclusions:
- Distinct ruminative thinking styles are uniquely associated with PTSD symptom severity.
- Deliberate rumination, while linked to symptoms, also strongly predicts posttraumatic growth, indicating adaptive potential.
- The findings elucidate complex mechanisms in PTSD and posttraumatic growth, informing future research and interventions.
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