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Virtual reality study of paranoid thinking in the general population
Garety, Philippa; Fowler, David; Freeman, Daniel; Pugh, Katherine; Antley, Angus; Slater, Melvyn; Bebbington, Paul; Gittins, Matthew; Dunn, Graham; Kuipers, Elizabeth
Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics
Background: Judging whether we can trust other people is central to social interaction, despite being error-prone. A fear of others can be instilled by the contemporary political and social climate. Unfounded mistrust is called paranoia, and in severe forms is a central symptom of schizophrenia. Aims: To demonstrate that individuals without severe mental illness in the general population experience unfounded paranoid thoughts, and to determine factors predictive of paranoia using the first laboratory method of capturing the experience. Method: Two hundred members of the general public were comprehensively assessed, and then entered a virtual reality train ride populated by neutral characters. Ordinal logistic regressions (controlling for age, gender, ethnicity, education, intellectual functioning, socio-economic status, train use playing of computer games) were used to determine predictors of paranoia. Results: The majority agreed that the characters were neutral, or even thought they were friendly. However, a substantial minority reported paranoid concerns. Paranoia was strongly predicted by anxiety, worry, perceptual anomalies and cognitive inflexibility. Conclusions: This is the most unambiguous demonstration of paranoid ideation in the general public so far. Paranoia can be understood in terms of cognitive factors. The use of virtual reality should lead to rapid advances in the understanding of paranoia.
Peer Reviewed
Àrees temàtiques de la UPC::Ciències de la salut::Salut mental::Psiquiatria

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