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. 2007 Aug 24;317(5841):1096-9.
doi: 10.1126/science.1143439.

Video Ergo Sum: Manipulating Bodily Self-Consciousness

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Video Ergo Sum: Manipulating Bodily Self-Consciousness

Bigna Lenggenhager et al. Science. .
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Abstract

Humans normally experience the conscious self as localized within their bodily borders. This spatial unity may break down in certain neurological conditions such as out-of-body experiences, leading to a striking disturbance of bodily self-consciousness. On the basis of these clinical data, we designed an experiment that uses conflicting visual-somatosensory input in virtual reality to disrupt the spatial unity between the self and the body. We found that during multisensory conflict, participants felt as if a virtual body seen in front of them was their own body and mislocalized themselves toward the virtual body, to a position outside their bodily borders. Our results indicate that spatial unity and bodily self-consciousness can be studied experimentally and are based on multisensory and cognitive processing of bodily information.

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