Paranoid explanations of experience: A novel experimental study

Catherine E L Green, Daniel Freeman, Elizabeth Kuipers, Paul Bebbington, David Fowler, Graham Dunn, Philippa A. Garety

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Background: Paranoia is a common experience in the non-clinical population. We use a novel experimental methodology to investigate paranoid ideas in individuals without a history of mental illness. Aims: We aimed to determine whether this paradigm could elicit unfounded paranoid thoughts and whether these thoughts could be predicted by factors from a cognitive model. Method: Fifty-eight individuals took part and completed measures assessing trait paranoia, mood, self and other schema and attributional style. They were exposed to two experimental events: 1) an interruption to the testing session by a stooge, and 2) a recording of laughter played outside the testing room and subsequently asked about their explanations for these events. Results: 15.5% (n = 9) of the sample gave a paranoid explanation for at least one of the experimental events. The remainder reported generally neutral explanations. Individuals with a paranoid explanation reported significantly higher levels of trait paranoia. Factors predictive of a paranoid interpretation were interpersonal sensitivity and attributional style. Conclusions: The results show that spontaneous paranoid explanations can be elicited in non-clinical individuals, even for quite neutral events. In line with current theories, the findings suggest that emotional processes contribute to paranoid interpretations of events, although, as a novel study with a modest sample, it requires replication. © 2010 British Association for Behavioural and Cognitive Psychotherapies.
    Original languageEnglish
    Pages (from-to)21-34
    Number of pages13
    JournalBehavioural And Cognitive Psychotherapy
    Volume39
    Issue number1
    DOIs
    Publication statusPublished - Jan 2011

    Keywords

    • experimental design
    • Paranoia
    • persecutory delusions

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