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Exp Brain Res(1993)95:77-83 Experimenta

Summary: Exp Brain Res(1993)95:77-83
@ Springer-Verlag 1993
oratory, a passive head movement with a continuous
change in magnitude and orientation of the angular ve-
locity vector can be generated by rotating at constant
velocity about one axis that is fixed in spacewhile oscil-
lating about another (head-fixed)axis that is orthogonal
to the first. The equations of motion that determine the
movement of the cupula and displacement of the otolith
membrane during simultaneous rotations about different
axes are complex and involve a system of coupled non-
linear differential equations known as Euler equations
(Goldstein 1950). An issue of practical importance is
whether vestibular reflexeswork appropriately when the
angular velocity of the head changes dynamically in
spaceand time. Interestingly,the oculomotor ouput does
not simply reflect the forces transduced by individual
semicircular canal and otolith afferentsduring motion. In


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


Collections: Biology and Medicine