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Biol. Cybern.67, 83-96 (1992) Bioloqical Cybefrretics

Summary: a
Biol. Cybern.67, 83-96 (1992) Bioloqical
@ Springer-Verlag1992
Spatio-temporalconvergence(STC) in otolith neurons
Dora E. Angelaki*
Departmentof Physiology,Universityof Minnesota,Minneapolis,MN 55455,USA
Received May 22, l99llAccepted in revised form December 20, l99l
Abstract. It has been recently demonstrated that some
primary otolith afferents and most otolith-related
vestibular nuclei neurons encodetwo spatial dimensions
that can be described by two vectors in temporal and
spatial quadrature. These cells are called broadly-tuned
neurons. They are characteized by a non-zero tuning
ratio which is defined as the ratio of the minimum over
the maximum sensitivity of the neuron. Broadly-tuned
neurons exhibit responsegains that do not vary accord-
ing to the cosine of the angle between the stimulus
direction and the cell's maximum sensitivity vector and
responsephase values that depend on stimulus orienta-


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


Collections: Biology and Medicine