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Hyeong-Dong Park 1*, Olaf Blanke 1, 2*
1 Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Swiss Federal Institute of Technology (EPFL), 9 Chemin des Mines, 1202 Geneva, Switzerland
2 Department of Neurology, University of Geneva, 24 rue Micheli-du-Crest, 1211 Geneva, Switzerland
*Correspondence : Hyeong-Dong Park, Olaf Blanke
Abstract
Although recent studies on self-consciousness emphasized the importance of bodily processing and multisensory integration, such research has focused solely on bodily signals originating from the outside of the body (i.e., exteroceptive bodily signals) or internal bodily signals from visceral organs (i.e., interoceptive bodily signals) and how each system contributes to self-consciousness, without much interaction between the two approaches. Reviewing the latest evidence on interoceptive bodily processing and the combination of exteroceptive and interoceptive bodily signals for self-consciousness, we propose an integrated neural system reconciling these two largely separated views and delineate how it accounts for fundamental aspects of self-consciousness such as self-identification and self-location, as well as its experienced global unity and temporal continuity.
Keywords : interoceptive signals; exteroceptive processing; torso-centered perception; multisensory; heartbeat-evoked potential
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