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Higher-order cognitive factors affect subjective but not proprioceptive aspects of self-representation in the rubber hand illusion

Dempsey-Jones, H; Kritikos, A; (2014) Higher-order cognitive factors affect subjective but not proprioceptive aspects of self-representation in the rubber hand illusion. Consciousness and Cognition , 26 pp. 74-89. 10.1016/j.concog.2014.02.005. Green open access

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Abstract

In the current study we look at whether subjective and proprioceptive aspects of selfrepresentation are separable components subserved by distinct systems of multisensory integration. We used the rubber hand illusion (RHI) to draw the location of the ‘self’ away from the body, towards extracorporeal space (Out Condition), thereby violating top-down information about the body location. This was compared with the traditional RHI which drew position of the ‘self’ towards the body (In Condition). We were successfully able to draw proprioceptive position of the limbs in and out from the body suggesting body perception is a purely bottom-up process, resistant to top-down effects. Conversely, we found subjective self-representation was altered by the violation of top-down body information – as the strong association of subjective and proprioceptive factors found in the In Condition became non-significant in the Out Condition. Interestingly, we also found evidence that subjective embodiment can modulate tactile perception.

Type: Article
Title: Higher-order cognitive factors affect subjective but not proprioceptive aspects of self-representation in the rubber hand illusion
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.concog.2014.02.005
Publisher version: http://dx.doi.org/10.1016/j.concog.2014.02.005
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Self-representation, Rubber hand illusion, Multisensory integration, Top-down factors, Proprioception, Tactile perception
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10044719
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