Down the rabbit hole: assessing the influence of schizotypy on the experience of the Barbie Doll Illusion

De Foe, A, van Doorn, G, Wood, A, Wagstaff, D and Hohwy, J 2018, 'Down the rabbit hole: assessing the influence of schizotypy on the experience of the Barbie Doll Illusion', Cognitive Neuropsychiatry, vol. 23, no. 5, pp. 284-298.


Document type: Journal Article
Collection: Journal Articles

Title Down the rabbit hole: assessing the influence of schizotypy on the experience of the Barbie Doll Illusion
Author(s) De Foe, A
van Doorn, G
Wood, A
Wagstaff, D
Hohwy, J
Year 2018
Journal name Cognitive Neuropsychiatry
Volume number 23
Issue number 5
Start page 284
End page 298
Total pages 15
Publisher Routledge
Abstract Introduction: Body swapping illusions have been used to explore factors contributing to the experience of owning an artificial body. Preliminary research indicated that those people diagnosed with schizophrenia experience more vivid illusions of this kind than do normal individuals. Objectives: Here, we explored whether participants who rated themselves high on the cognitive-perceptual factor of the Schizotypal Personality Questionnaire (SPQ) experienced a more compelling sense of immersion in a variation of the body swapping illusion: The Barbie Doll Illusion. We also hypothesised that these individuals would experience a change in size perception when immersed in the illusion. Method: Forty-four participants wore a pair of Head-Mounted Display goggles connected to a video-camera, and thus a dolls body replaced their own body in their visual field. In two conditions, touch was either applied synchronously or asynchronously to the dolls and each participants leg. After each condition, participants filled out a questionnaire relating to their experience in the illusion. When both conditions were completed, they filled out the SPQ. Results: Our first hypothesis was confirmed, which suggested that people with higher cognitive-perceptual SPQ scores do indeed experience a more compelling Barbie Doll Illusion; however, our second hypothesis was not supported. Conclusion: Our study demonstrated, for the first time, that proneness to the positive and interpersonal factors of schizotypy in a normal population is sufficient to produce a compelling sense of swapping bodies. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
Subject Psychiatry (incl. Psychotherapy)
Keyword(s) Barbie doll illusion
perception
schizotypy
DOI - identifier 10.1080/13546805.2018.1495623
Copyright notice © 2018 Informa UK Limited, trading as Taylor & Francis Group
ISSN 1354-6805
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