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A cognitive model of persecutory delusions.

Daniel Freeman1, Philippa A Garety, Elizabeth Kuipers

  • 1Department of Psychology, Institute of Psychiatry, King's College London, UK. D.Freeman@iop.kcl.ac.uk

The British Journal of Clinical Psychology
|November 20, 2002
PubMed
Summary

This study presents a multifactorial model for persecutory delusions, viewing them as threat beliefs arising from seeking meaning in unusual experiences. The model highlights the roles of emotion, cognition, and environment in both formation and maintenance.

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Area of Science:

  • Psychology
  • Psychiatry
  • Cognitive Neuroscience

Background:

  • Persecutory delusions are a core symptom in several psychiatric disorders.
  • Existing models often focus on cognitive biases or defense mechanisms.

Purpose of the Study:

  • To present a comprehensive multifactorial model for the formation and maintenance of persecutory delusions.
  • To integrate cognitive, emotional, and environmental factors in a unified framework.

Main Methods:

  • Conceptual model development based on existing literature.
  • Hypotheses regarding the interplay of psychotic processes, pre-existing beliefs, personality (especially emotion), and environment.
  • Consideration of evidence-gathering and evidence-avoiding mechanisms in delusion maintenance.

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Main Results:

  • Persecutory delusions are conceptualized as threat beliefs arising from a search for meaning.
  • Emotion plays a direct, non-defended role in delusion formation.
  • Model accounts for both content and form of delusions, and associated emotional distress.

Conclusions:

  • The proposed model offers a novel, integrated perspective on persecutory delusions.
  • Highlights the crucial role of emotion and the search for meaning.
  • Provides a framework for clinical intervention and future research.