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  4. Changing Finger Movement Perception: Influence of Active Haptics on Visual Dominance
 
research article

Changing Finger Movement Perception: Influence of Active Haptics on Visual Dominance

Boban, Loën  
•
Pittet, David
•
Herbelin, Bruno  
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April 27, 2022
Frontiers in Virtual Reality

The perception of one’s own body is a complex mechanism that can be disturbed by conflicting sensory information and lead to illusory (mis-) perceptions. Prominent models of multisensory integration propose that sensory streams are integrated according to their reliability by approximating Bayesian inference. As such, when considering self-attribution of seen motor actions, previous works argue in favor of visual dominance over other sensations, and internal cues. In the present work, we use virtual reality and a haptic glove to investigate the influence of an active haptic feedback on one’s visual and agency judgments over a performed finger action under experimentally manipulated visual and haptic feedbacks. Data overall confirm that vision dominates for agency judgment in conditions of multisensory conflict. Interestingly, we also show that participants’ visual judgment over their finger action is sensitive to multisensory conflicts (vision, proprioception, motor afferent signals, and haptic perception), thus bringing an important nuance to the widely accepted view on a general visual dominance.

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Type
research article
DOI
10.3389/frvir.2022.860872
Author(s)
Boban, Loën  
Pittet, David
Herbelin, Bruno  
Boulic, Ronan  
Date Issued

2022-04-27

Published in
Frontiers in Virtual Reality
Volume

3

Subjects

multisensory integration

•

multisensory conflicts

•

virtual reality

•

haptics

•

sense of agency

•

sense of ownership

•

visual perception

•

motor perception

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SCI-IC-RB  
FunderGrant Number

FNS

200020-178790

RelationURL/DOI

IsSupplementedBy

https://www.frontiersin.org/articles/10.3389/frvir.2022.860872/full#supplementary-material
Available on Infoscience
December 12, 2022
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/193127
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