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Embodied and disembodied allocentric simulation in high schizotypal subjects
- Publication Year :
- 2014
- Publisher :
- Springer Verlag, 2014.
-
Abstract
- It is known that non-clinical subjects with high levels of schizotypal personality traits (High-S), as well as schizophrenic patients, have difficulties to judge how a scene would appear (so-called Appearance questions) from a point of view other than their own after having performed a disembodied perspective taking (D-PT, a mental self-rotation cued by an object like a chair). This inability has been defined allocentric simulation deficit. However, it is still unclear whether this inability might also regard an embodied transformation (E-PT), which is a self-rotation cued by another individual in the scene, and whether the observed deficit regards the pure mental transformation phase. In the present study, we took advantage of a virtual reality environment to explore both embodied and disembodied allocentric simulation in healthy volunteers with low and high levels of schizotypal personality traits, as assessed by the Schizotypal Personality Questionnaire. All subjects performed a pure self-rotation cued by a chair (D-PT) or by an avatar (E-PT), or a control array rotation. Each rotation was followed by classical Appearance and Item questions. Results revealed no between-groups differences in the mental transformation phase, while High-S subjects were significantly slower than Low-S subjects in the Appearance task after D-PT, but not after E-PT. Accordingly, higher schizotypy levels (cognitive-perceptual subscale) were positively correlated with slower reaction times in the Appearance task after D-PT. These data suggest the existence of a disembodied allocentric simulation deficit in non-clinical High-S, paving the way to future studies on clinical populations.
- Subjects :
- Male
Questionnaires
Schizotypy
very elderly
personal experience
Virtual reality
Developmental psychology
human experiment
Surveys and Questionnaires
neurologic examination
80 and over
Big Five personality traits
Personality traits
media_common
magic
Aged, 80 and over
General Neuroscience
Medicine (all)
Mental transformations
Perspective taking
Self-rotation
Adolescent
Adult
Aged
Female
Humans
Middle Aged
Personality
Reaction Time
Schizotypal Personality Disorder
Virtual Reality Exposure Therapy
Young Adult
Neuroscience (all)
Object (philosophy)
task performance
personality test
Psychology
allocentric simulation deficit
disembodied perspective taking
Cognitive psychology
experimental design
media_common.quotation_subject
Article
medicine
human
normal human
Cued speech
correlation analysi
questionnaire
medicine.disease
Schizotypal personality disorder
schizophrenia
Embodied cognition
embodied perspective taking
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....b03ddc12b02fa35c1a1458a182aa771b