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research article

Out-of-body illusion induced by visual-vestibular stimulation

Wu, Hsin-Ping  
•
Nakul, Estelle  
•
Betka, Sophie Jacqueline Andrée  
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December 9, 2023
Iscience

Out-of-body experiences (OBEs) are characterized by the subjective feeling of being located outside one's physical body and perceiving one's own body from an elevated perspective looking downwards. OBEs have been correlated with abnormal integration of bodily signals, including visual and vestibular information. In two studies, we used mixed reality combined with a motion platform to manipulate visual and vestibular integration in healthy participants. Behavioral data and questionnaires show that congruent visual-vestibular stimulation in a self-centered reference frame induced an OBE-like illusion characterized by elevated self-location and feelings of disembodiment and lightness. The OBE-like illusion was also modulated by individuals' visual field dependency assessed by the Rod and Frame Test. These results show that the manipulation of visual-vestibular stimulation in the present study induces various aspects of OBEs and further link OBE to congruency mechanisms between visual and vestibular gravitational and self-motion cues.

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Type
research article
DOI
10.1016/j.isci.2023.108547
Web of Science ID

WOS:001160665900001

Author(s)
Wu, Hsin-Ping  
Nakul, Estelle  
Betka, Sophie Jacqueline Andrée  
Lance, Florian  
Herbelin, Bruno  
Blanke, Olaf  
Date Issued

2023-12-09

Publisher

Cell Press

Published in
Iscience
Volume

27

Issue

1

Article Number

108547

Subjects

Self

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Experience

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Mechanisms

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Embodiment

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Perception

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Ownership

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Motion

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Brain

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Sense

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LNCO  
Available on Infoscience
March 18, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/206374
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