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Cited by 46Virtual Reality Applications and ImpactsFree Will and AgencySchizophrenia research and treatment

Agency, the Sense of Presence, and Schizophrenia

Lallart, Elise, Lallart, Xavier, Jouvent, Roland·2009·CyberPsychology & Behavior
DOI 10.1089/cpb.2008.0070
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Abstract

The objective of this work is to evaluate the impact of agency deficiency on presence. We hypothesize that a deficit in agency, such as occurs in schizophrenia, has repercussions on the sense of presence as well as on performance in a sensorimotor test involving the body. Nineteen healthy controls and 19 stable patients with schizophrenia, matched by age and gender, participated in the study. We used new interactive technologies that enable the users to physically interact with a virtual environment and simultaneously sees themselves performing the actions. Two conditions were balanced: the control condition in which the participant see himself or herself doing the test, and the mask condition, in which the central part of the participant's body is hidden. At the end of the test, all participants completed a questionnaire on presence. The results show that control participants performed better than those with schizophrenia in the control condition. On the contrary, in the mask condition, their performance was significantly lower, whereas participants with schizophrenia obtained the same score as in the control condition. Controls also rated higher in the scale of presence than did participants with schizophrenia. Those results seem to corroborate a relationship between agency and presence. The body awareness and the self in schizophrenia are discussed in the light of agency.

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  • Manipulations of perceived agency can influence reported presence, as shown in both healthy subjects and schizophrenic patients.

    “Second, manipulations of perceived agency can influence reported presence, as shown in both healthy subjects and schizophrenic patients”

    From An Interoceptive Predictive Coding Model of Conscious Presence (2012) · cites this paper as Lallart et al., 2009

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Related

Authors
Lallart, E., Lallart, X., & Jouvent, R.
Affiliations
  • Pitié-Salpêtrière Hospital (FR)
  • Hôpital de Ville-Évrard (FR)
Venue
CyberPsychology & Behavior
Publisher
SAGE Publications
Published
2009-04
Volume
12
Issue
2
Pages
139-145
ISSN
  • 1094-9313 (ISSN-L)
  • 1557-8364
DOI
10.1089/cpb.2008.0070
OpenAlex
W2045806767
Cited by
46
References
15
Citations by year
2026: 1 · 2024: 3 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 19 · 2018: 1 · 2017: 1 · 2015: 2 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
1.60
Type
journal article
Language
en
Open access
closed
Licence
www.liebertpub.com/nv/resources-tools/text-and-data-mining-policy/121/ (tdm)
Locations
  • CyberPsychology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Virtual Reality Applications and Impacts
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Free Will and Agency
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Keywords
agency, presence, schizophrenia, body awareness, self, virtual reality, sensorimotor performance, embodiment, self-perception
MeSH terms
Adult, Awareness, Body Image, Feedback, Female, Humans, Male, Middle Aged, Optical Illusions, Orientation, Perceptual Distortion, Perceptual Masking, Psychomotor Performance, Reference Values, Schizophrenia, Schizophrenic Psychology, Self Concept, User-Computer Interface, Visual Perception, Intention, Young Adult

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