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  • Title: Geometrical considerations on canal-otolith interactions during OVAR and Bayesian modelling.
    Author: Laurens J, Hess BJ, Straumann D.
    Journal: Prog Brain Res; 2008; 171():287-90. PubMed ID: 18718315.
    Abstract:
    During constant-velocity rotation about a tilted axis (OVAR), the VOR and the rotation perception last indefinitely, but show a striking dependency on tilt angle. We show that, during OVAR, a variety of motions can account for the head motion relative to gravity. Some of these are in conflict with canal signals, but correspond to a lower angular velocity; we suggest that the brain performs a trade-off in order to select the best motion. We show that this theory explains the effect of tilt angle on velocity estimation during OVAR.
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