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Translational Psychiatry· 2026Q1

Cracks in the foundation: disrupted epistemic trust as a link between trauma, PTSD and disturbances in self-organization

Eileen Lashani, Peter Fonagy, David Riedl, Hanna Kampling et al.

Short summary

Early relational trauma, not trauma type or timing alone, strongly predicts disrupted epistemic trust (evaluating and trusting social information), which in turn mediates the link to PTSD and cPTSD symptoms.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Early relational trauma, not trauma type or age at trauma alone, is most strongly associated with epistemic disruption.
  • Heightened credulity (a component of epistemic stance) mediates the relationship between trauma and PTSD/cPTSD symptoms.
  • The study used self-report data from a representative German sample (N=2,519).
  • Epistemic stance may be a central mechanism in developmental models of psychopathology.

AI-generated from the title and abstract; the full text is not read.

Abstract

Abstract Traumatic experiences profoundly impact mental and physical health, alongside an individual’s trust in their social environment. Disruptions in epistemic trust – the capacity to evaluate and trust socially communicated information – are theorized to increase vulnerability to psychopathology by impairing social learning. This cross-sectional study investigated associations between trauma characteristics and epistemic stance using self-report data from a representative German sample ( N = 2 519). We examined relationships among trauma type, age at trauma, epistemic stance, PTSD and cPTSD. Neither trauma type nor timing alone predicted epistemic stance. However, their interaction revealed that early relational trauma demonstrated the strongest association with epistemic disruption. Within epistemic stance, heightened credulity mediated associations between trauma and both PTSD and cPTSD symptoms. These findings align with the hypothesis that the association between trauma exposure and epistemic stance depends on trauma type and timing, with early relational trauma showing the strongest links to epistemic disruption and related psychopathology. This differentiated perspective on trauma characteristics highlights epistemic stance as a potential mechanism that may advance developmental models of psychopathology and future clinical research.

The authors' abstract, as published at the source. Translational Psychiatry, 2026 · DOI ↗

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Field: Behavioral Neuroscience

Behavioral NeuroscienceNeuroscience