How Do People with Persecutory Delusions Evaluate Threat in a Controlled Social Environment? A Qualitative Study Using Virtual Reality
Fornells-Ambrojo M., Freeman D., Slater M., Swapp D., Antley A., Barker C.
<jats:p><jats:bold>Background:</jats:bold> 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. <jats:bold>Aims:</jats:bold> The current study investigates how people with persecutory delusions interpret events in a virtual neutral social environment using qualitative methodology. <jats:bold>Method:</jats:bold> 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. <jats:bold>Results:</jats:bold> 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). <jats:bold>Conclusions:</jats:bold> 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.</jats:p>