Maselli, A;
Kilteni, K;
Lopez-Moliner, J;
Slater, M;
(2016)
The sense of body ownership relaxes temporal constraints for multisensory integration.
Scientific Reports
, 6
, Article 30628. 10.1038/srep30628.
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Abstract
Experimental work on body ownership illusions showed how simple multisensory manipulation can generate the illusory experience of an artificial limb as being part of the own-body. This work highlighted how own-body perception relies on a plastic brain representation emerging from multisensory integration. The flexibility of this representation is reflected in the short-term modulations of physiological states and perceptual processing observed during these illusions. Here, we explore the impact of ownership illusions on the temporal dimension of multisensory integration. We show that, during the illusion, the temporal window for integrating touch on the physical body with touch seen on a virtual body representation, increases with respect to integration with visual events seen close but separated from the virtual body. We show that this effect is mediated by the ownership illusion. Crucially, the temporal window for visuotactile integration was positively correlated with participants’ scores rating the illusory experience of owning the virtual body and touching the object seen in contact with it. Our results corroborate the recently proposed causal inference mechanism for illusory body ownership. As a novelty, they show that the ensuing illusory causal binding between stimuli from the real and fake body relaxes constraints for the integration of bodily signals.
| Type: | Article |
|---|---|
| Title: | The sense of body ownership relaxes temporal constraints for multisensory integration |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1038/srep30628 |
| Publisher version: | http://doi.org/10.1038/srep30628 |
| Language: | English |
| Additional information: | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
| Keywords: | Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, RUBBER HAND ILLUSION, IMPLICIT RACIAL BIAS, VIRTUAL BODY, SIMULTANEITY CONSTANCY, ILLUSORY OWNERSHIP, ORDER JUDGMENTS, PERCEPTION, SELF, VISION, SPEECH |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1511468 |
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