Cognitive Models of Paranoia and Persecutory Delusions
Summary
Cognitive models propose that paranoia and persecutory delusions arise from misinterpretation of personal experiences as threatening, driven by maladaptive beliefs, anomalous perceptions and biased reasoning processes. Core mechanisms include threat anticipation, negative self‐beliefs and safety‐seeking behaviours that maintain suspicious ideation. Maladaptive appraisal of internal states such as mistrust or anomalous sensory experiences can trigger threat cognitions. These are amplified by reasoning biases—such as jumping to conclusions and misattribution of intention—and sustained by avoidant and defensive behaviours that prevent disconfirmation of feared outcomes. Neurocognitive factors and environmental stressors—ranging from trauma to urbanicity—interact with psychological vulnerabilities across the lifespan, giving rise to paranoia on a continuum from mild suspiciousness to fixed delusions. Cognitive models have led to targeted interventions, including worry reduction, belief modification and immersive techniques, with emerging evidence for their efficacy in reducing distress and improving social functioning.
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Cognitive Models of Paranoia and Persecutory Delusions publication trend
The graph below shows the total number of articles in cognitive models of paranoia and persecutory delusions across all publications each year (not limited to Nature Index journals).
Technical terms
Threat cognition: Interpretation of neutral events as potentially harmful.
Safety behaviour: Action intended to prevent perceived threat, which maintains paranoid beliefs.
Mistrust: Tendency to doubt others’ intentions, a precursor to paranoia.
Persecutory delusion: Fixed false belief of intentional harm by others.
Jumping to conclusions: Reasoning bias favouring rapid decisions with limited evidence.
References
- Automated virtual reality cognitive therapy versus virtual reality mental relaxation therapy for the treatment of persistent persecutory delusions in patients with psychosis (THRIVE): a parallel-group, single-blind, randomised controlled trial in England with mediation analyses. The Lancet Psychiatry (2023).
- Aberrant personal space is associated with paranoia, altered stress regulation, and unfavourable outcomes at 6 months’ follow-up in schizophrenia. Molecular Psychiatry (2025).
- The developmental course of adolescent paranoia: a longitudinal analysis of the interacting role of mistrust and general psychopathology. European Child & Adolescent Psychiatry (2024).
- Do paranoid delusions exist on a continuum with subclinical paranoia? A multi-method taxometric study. Schizophrenia Research (2017).
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