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Exp Brain Res (2011) 210:407422 DOI 10.1007/s00221-011-2568-4

Summary: Exp Brain Res (2011) 210:407422
DOI 10.1007/s00221-011-2568-4
The functional signiWcance of velocity storage and its dependence
on gravity
Jean Laurens Dora E. Angelaki
Received: 12 November 2010 / Accepted: 18 January 2011 / Published online: 4 February 2011
Springer-Verlag 2011
Abstract Research in the vestibular Weld has revealed the
existence of a central process, called `velocity storage', that
is activated by both visual and vestibular rotation cues and
is modiWed by gravity, but whose functional relevance dur-
ing natural motion has often been questioned. In this
review, we explore spatial orientation in the context of a
Bayesian model of vestibular information processing. In
this framework, deWciencies/ambiguities in the peripheral
vestibular sensors are compensated for by central process-
ing to more accurately estimate rotation velocity, orienta-
tion relative to gravity, and inertial motion. First, an inverse


Source: Angelaki, Dora - Department of Anatomy and Neurobiology, Washington University in St. Louis


Collections: Biology and Medicine