The vestibular component in out-of-body experiences: a computational approach.

Frontiers in Human Neuroscience
Lars Schwabe, Olaf Blanke

Abstract

Neurological evidence suggests that disturbed vestibular processing may play a key role in triggering out-of-body experiences (OBEs). Little is known about the brain mechanisms during such pathological conditions, despite recent experimental evidence that the scientific study of such experiences may facilitate the development of neurobiological models of a crucial aspect of self-consciousness: embodied self-location. Here we apply Bayesian modeling to vestibular processing and show that OBEs and the reported illusory changes of self-location and translation can be explained as the result of a mislead Bayesian inference, in the sense that ambiguous bottom-up signals from the vestibular otholiths in the supine body position are integrated with a top-down prior for the upright body position, which we measure during natural head movements. Our findings have relevance for self-location and translation under normal conditions and suggest novel ways to induce and study experimentally both aspects of bodily self-consciousness in healthy subjects.

Citations

Dec 23, 2011·Journal of Autism and Developmental Disorders·Bryan PatonPeter G Enticott
Jan 16, 2014·Cognitive Neurodynamics·Steven Ravett Brown
Oct 27, 2009·Epilepsy & Behavior : E&B·Giuseppe Vallar, Gilles Rode
May 31, 2016·Journal of Evaluation in Clinical Practice·Ines Hipolito
Dec 10, 2016·The International Journal of Clinical and Experimental Hypnosis·Véronique WaisblatGilles Dhonneur
Dec 19, 2018·PloS One·Alessandro NestiOlaf Blanke
Oct 10, 2013·The Behavioral and Brain Sciences·Michael Barnett-Cowan, Heinrich H Bülthoff
Oct 13, 2018·Scientific Reports·Michael Barnett-CowanHeinrich H Bülthoff

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