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My body until proven otherwise : exploring the time course of the full body illusion.

Keenaghan, Samantha and Bowles, Lucy and Crawfurd, Georgina and Thurlbeck, Simon and Kentridge, Robert W. and Cowie, Dorothy (2020) 'My body until proven otherwise : exploring the time course of the full body illusion.', Consciousness and cognition., 78 . p. 102882.


Evidence from the Full Body Illusion (FBI) has shown that adults can embody full bodies which are not their own when they move synchronously with their own body or are viewed from a first-person perspective. However, there is currently no consensus regarding the time course of the illusion. Here, for the first time, we examined the effect of visuomotor synchrony (synchronous/asynchronous/no movement) on the FBI over time. Surprisingly, we found evidence of embodiment over a virtual body after five seconds in all conditions. Embodiment decreased with increased exposure to asynchronous movement, but remained high in synchronous and no movement conditions. We suggest that embodiment of a body seen from a first-person perspective is felt by default, and that embodiment can then be lost in the face of contradictory cues. These results have significant implications for our understanding of how multisensory cues contribute to embodiment.

Item Type:Article
Full text:(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Publisher statement:© 2020 This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Date accepted:12 January 2020
Date deposited:20 February 2020
Date of first online publication:17 January 2020
Date first made open access:17 January 2021

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