Testing the continuum of delusional beliefs: An experimental study using virtual reality. J Abnorm Psychol. 2010 Feb;119(1):83-92 Authors: Freeman D, Pugh K, Vorontsova N, Antley A, Slater M A key problem in studying a hypothesized spectrum of severity of delusional ideation is determining that ideas are unfounded. The first objective was to use virtual reality to validate groups of individuals with low, moderate, and high levels of unfounded persecutory ideation. The second objective was to investigate, drawing upon a cognitive model of persecutory delusions, whether clinical and...

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