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JOURNALOF NEUROPHYSIOLOGY Vol. 75, No. 6, June 1996. Printed in U.S.A.
 

Summary: JOURNALOF NEUROPHYSIOLOGY
Vol. 75, No. 6, June 1996. Printed in U.S.A.
Three-Dimensional Organization of Otolith-Ocular Reflexes in
Rhesus Monkeys. I. Linear Acceleration Responses During
Off-Vertical Axis Rotation
DORA E. ANGELAKI AND BERNHARD J. M. HESS
Department of Surgery ( Otolaryngology ), University of Mississippi Medical Center, Jackson, Mississippi 392164505;
and Department of Neurology, University Hospital Ztirich, CH-8091 Zurich, Switzerland
SUMMARY AND CONCLUSIONS
1. The dynamic properties of otolith-ocular reflexes elicited by
sinusoidal linear acceleration along the three cardinal head axes
were studied during off-vertical axis rotations in rhesus monkeys.
As the head rotates in space at constant velocity about an off-
vertical axis, otolith-ocular reflexes are elicited in response to the
sinusoidally varying linear acceleration (gravity) components
along the interaural, nasooccipital, or vertical head axis. Because
the frequency of these sinusoidal stimuli is proportional to the
velocity of rotation, rotation at low and moderately fast speeds
allows the study of the mid- and low-frequency dynamics of these
otolith-ocular reflexes.

  

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

 

Collections: Biology and Medicine