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Title: How do people with persecutory delusions evaluate threat in a controlled social environment? A qualitative study using virtual reality
Author: Fornells Ambrojo, Miriam
Freeman, Daniel
Slater, Mel
Swapp, David
Antley, Angus
Barker, Chris
Keywords: Paranoia
Teràpia cognitiva
Realitat virtual
Cognitive therapy
Virtual reality
Issue Date: 2015
Publisher: Cambridge University Press
Abstract: Environmental factors have been associated with psychosis but there is little qualitative research looking at how the ongoing interaction between individual and environment maintains psychotic symptoms. Aims: The current study investigates how people with persecutory delusions interpret events in a virtual neutral social environment using qualitative methodology. Method: 20 participants with persecutory delusions and 20 controls entered a virtual underground train containing neutral characters. Under these circumstances, people with persecutory delusions reported similar levels of paranoia as non-clinical participants. The transcripts of a post-virtual reality interview of the first 10 participants in each group were analysed. Results: Thematic analyses of interviews focusing on the decision making process associated with attributing intentions of computer-generated characters revealed 11 themes grouped in 3 main categories (evidence in favour of paranoid appraisals, evidence against paranoid appraisals, other behaviour). Conclusions: People with current persecutory delusions are able to use a range of similar strategies to healthy volunteers when making judgements about potential threat in a neutral environment that does not elicit anxiety, but they are less likely than controls to engage in active hypothesis-testing and instead favour experiencing 'affect' as evidence of persecutory intention
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It is part of: Behavioural And Cognitive Psychotherapy, 2015, vol. 43, p. 1-19
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ISSN: 1352-4658
Appears in Collections:Articles publicats en revistes (Psicologia Clínica i Psicobiologia)

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