Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.

<h4>Introduction</h4>Illusion of movement induced by tendon vibration is an effective approach for motor and sensory rehabilitation in case of neurological impairments. The aim of our study was to investigate which modality of visual feedback in Virtual Reality (VR) associated with tendo...

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Main Authors: Salomé Le Franc, Mathis Fleury, Mélanie Cogne, Simon Butet, Christian Barillot, Anatole Lecuyer, Isabelle Bonan
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0242416
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author Salomé Le Franc
Mathis Fleury
Mélanie Cogne
Simon Butet
Christian Barillot
Anatole Lecuyer
Isabelle Bonan
author_facet Salomé Le Franc
Mathis Fleury
Mélanie Cogne
Simon Butet
Christian Barillot
Anatole Lecuyer
Isabelle Bonan
author_sort Salomé Le Franc
collection DOAJ
description <h4>Introduction</h4>Illusion of movement induced by tendon vibration is an effective approach for motor and sensory rehabilitation in case of neurological impairments. The aim of our study was to investigate which modality of visual feedback in Virtual Reality (VR) associated with tendon vibration of the wrist could induce the best illusion of movement.<h4>Methods</h4>We included 30 healthy participants in the experiment. Tendon vibration inducing illusion of movement (wrist extension, 100Hz) was applied on their wrist during 3 VR visual conditions (10 times each): a moving virtual hand corresponding to the movement that the participants could feel during the tendon vibration (Moving condition), a static virtual hand (Static condition), or no virtual hand at all (Hidden condition). After each trial, the participants had to quantify the intensity of the illusory movement on a Likert scale, the subjective degree of extension of their wrist and afterwards they answered a questionnaire.<h4>Results</h4>There was a significant difference between the 3 visual feedback conditions concerning the Likert scale ranking and the degree of wrist's extension (p<0.001). The Moving condition induced a higher intensity of illusion of movement and a higher sensation of wrist's extension than the Hidden condition (p<0.001 and p<0.001 respectively) than that of the Static condition (p<0.001 and p<0.001 respectively). The Hidden condition also induced a higher intensity of illusion of movement and a higher sensation of wrist's extension than the Static condition (p<0.01 and p<0.01 respectively). The preferred condition to facilitate movement's illusion was the Moving condition (63.3%).<h4>Conclusions</h4>This study demonstrated the importance of carefully selecting a visual feedback to improve the illusion of movement induced by tendon vibration, and the increase of illusion by adding VR visual cues congruent to the illusion of movement. Further work will consist in testing the same hypothesis with stroke patients.
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spelling doaj.art-c18261376e1e41a2aa5014a96c85177d2022-12-21T19:58:37ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-011511e024241610.1371/journal.pone.0242416Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.Salomé Le FrancMathis FleuryMélanie CogneSimon ButetChristian BarillotAnatole LecuyerIsabelle Bonan<h4>Introduction</h4>Illusion of movement induced by tendon vibration is an effective approach for motor and sensory rehabilitation in case of neurological impairments. The aim of our study was to investigate which modality of visual feedback in Virtual Reality (VR) associated with tendon vibration of the wrist could induce the best illusion of movement.<h4>Methods</h4>We included 30 healthy participants in the experiment. Tendon vibration inducing illusion of movement (wrist extension, 100Hz) was applied on their wrist during 3 VR visual conditions (10 times each): a moving virtual hand corresponding to the movement that the participants could feel during the tendon vibration (Moving condition), a static virtual hand (Static condition), or no virtual hand at all (Hidden condition). After each trial, the participants had to quantify the intensity of the illusory movement on a Likert scale, the subjective degree of extension of their wrist and afterwards they answered a questionnaire.<h4>Results</h4>There was a significant difference between the 3 visual feedback conditions concerning the Likert scale ranking and the degree of wrist's extension (p<0.001). The Moving condition induced a higher intensity of illusion of movement and a higher sensation of wrist's extension than the Hidden condition (p<0.001 and p<0.001 respectively) than that of the Static condition (p<0.001 and p<0.001 respectively). The Hidden condition also induced a higher intensity of illusion of movement and a higher sensation of wrist's extension than the Static condition (p<0.01 and p<0.01 respectively). The preferred condition to facilitate movement's illusion was the Moving condition (63.3%).<h4>Conclusions</h4>This study demonstrated the importance of carefully selecting a visual feedback to improve the illusion of movement induced by tendon vibration, and the increase of illusion by adding VR visual cues congruent to the illusion of movement. Further work will consist in testing the same hypothesis with stroke patients.https://doi.org/10.1371/journal.pone.0242416
spellingShingle Salomé Le Franc
Mathis Fleury
Mélanie Cogne
Simon Butet
Christian Barillot
Anatole Lecuyer
Isabelle Bonan
Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
PLoS ONE
title Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
title_full Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
title_fullStr Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
title_full_unstemmed Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
title_short Influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants.
title_sort influence of virtual reality visual feedback on the illusion of movement induced by tendon vibration of wrist in healthy participants
url https://doi.org/10.1371/journal.pone.0242416
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