Touching with the eyes: Oculomotor self-touch induces illusory body ownership.
Cognitive neuroscience
Sensory neuroscience
Techniques in neuroscience
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
17 Mar 2023
17 Mar 2023
Historique:
received:
06
06
2022
revised:
22
11
2022
accepted:
07
02
2023
entrez:
10
3
2023
pubmed:
11
3
2023
medline:
11
3
2023
Statut:
epublish
Résumé
Self-touch plays a central role in the construction and plasticity of the bodily self. But which mechanisms support this role? Previous accounts emphasize the convergence of proprioceptive and tactile signals from the touching and the touched body parts. Here, we hypothesise that proprioceptive information is not necessary for self-touch modulation of body-ownership. Because eye movements do not rely on proprioceptive signals as limb movements do, we developed a novel oculomotor self-touch paradigm where voluntary eye movements generated corresponding tactile sensations. We then compared the effectiveness of eye versus hand self-touch movements in generating an illusion of owning a rubber hand. Voluntary oculomotor self-touch was as effective as hand-driven self-touch, suggesting that proprioception does not contribute to body ownership during self-touch. Self-touch may contribute to a unified sense of bodily self by binding voluntary actions toward our own body with their tactile consequences.
Identifiants
pubmed: 36895648
doi: 10.1016/j.isci.2023.106180
pii: S2589-0042(23)00257-2
pmc: PMC9988563
doi:
Types de publication
Journal Article
Langues
eng
Pagination
106180Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors declare no competing interest.
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