Challenging the boundaries of the physical self: distal cues impact body ownership

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  • dc.contributor.author Grechuta, Klaudia
  • dc.contributor.author Torre Costa, Javier de la
  • dc.contributor.author Rubio Ballester, Belén
  • dc.contributor.author Verschure, Paul F. M. J.
  • dc.date.accessioned 2023-03-01T13:51:24Z
  • dc.date.available 2023-03-01T13:51:24Z
  • dc.date.issued 2021
  • dc.description.abstract The unique ability to identify one’s own body and experience it as one’s own is fundamental in goal-oriented behavior and survival. However, the mechanisms underlying the so-called body ownership are yet not fully understood. Evidence based on Rubber Hand Illusion (RHI) paradigms has demonstrated that body ownership is a product of reception and integration of self and externally generated multisensory information, feedforward and feedback processing of sensorimotor signals, and prior knowledge about the body. Crucially, however, these designs commonly involve the processing of proximal modalities while the contribution of distal sensory signals to the experience of ownership remains elusive. Here we propose that, like any robust percept, body ownership depends on the integration and prediction across all sensory modalities, including distal sensory signals pertaining to the environment. To test our hypothesis, we created an embodied goal-oriented Virtual Air Hockey Task, in which participants were to hit a virtual puck into a goal. In two conditions, we manipulated the congruency of distal multisensory cues (auditory and visual) while preserving proximal and action-driven signals entirely predictable. Compared to a fully congruent condition, our results revealed a significant decrease on three dimensions of ownership evaluation when distal signals were incongruent, including the subjective report as well as physiological and kinematic responses to an unexpected threat. Together, these findings support the notion that the way we represent our body is contingent upon all the sensory stimuli, including distal and action-independent signals. The present data extend the current framework of body ownership and may also find applications in rehabilitation scenarios.
  • dc.description.sponsorship This study was supported by ReHyb ID 871767 and EIT Health ID 19277 (RGS@HOME) under H2020, cDAC (ERC-2013-ADG-341196), FPI Grant No. BES2014068791.
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Grechuta K, de la Torre Costa J, Rubio Ballester B, Verschure P. Challenging the boundaries of the physical self: distal cues impact body ownership. Front Hum Neurosci. 2021;15:704414. DOI: 10.3389/fnhum.2021.704414
  • dc.identifier.doi http://dx.doi.org/10.3389/fnhum.2021.704414
  • dc.identifier.issn 1662-5161
  • dc.identifier.uri http://hdl.handle.net/10230/55997
  • dc.language.iso eng
  • dc.publisher Frontiers
  • dc.relation.ispartof Frontiers in Human Neuroscience. 2021;15:704414.
  • dc.relation.isreferencedby https://www.frontiersin.org/articles/10.3389/fnhum.2021.704414/full#supplementary-material
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/871767
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/FP6/19277
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/341196
  • dc.rights © 2021 Grechuta, De La Torre Costa, Ballester and Verschure. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.rights.uri http://creativecommons.org/licenses/by/4.0/
  • dc.subject.keyword body ownership
  • dc.subject.keyword active perception
  • dc.subject.keyword embodied cognition
  • dc.subject.keyword distal sensory cues
  • dc.subject.keyword sensory prediction error
  • dc.subject.keyword forward model
  • dc.title Challenging the boundaries of the physical self: distal cues impact body ownership
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/publishedVersion

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