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Properties of Cerebellar Fastigial Neurons During Translation, Rotation, and Eye Movements
 

Summary: Properties of Cerebellar Fastigial Neurons During Translation, Rotation,
and Eye Movements
Aasef G. Shaikh, Fatema F. Ghasia, J. David Dickman, and Dora E. Angelaki
Department of Neurobiology, Washington University School of Medicine, St. Louis, Missouri
Submitted 25 August 2004; accepted in final form 13 September 2004
Shaikh, Aasef G., Fatema F. Ghasia, J. David Dickman, and Dora
E. Angelaki. Properties of cerebellar fastigial neurons during trans-
lation, rotation, and eye movements. J Neurophysiol 93: 853863,
2005. First published September 15, 2004; doi:10.1152/jn.00879.
2004. The most medial of the deep cerebellar nuclei, the fastigial
nucleus (FN), receives sensory vestibular information and direct
inhibition from the cerebellar vermis. We investigated the signal
processing in the primate FN by recording single-unit activities during
translational motion, rotational motion, and eye movements. Firing
rate modulation during horizontal plane translation in the absence of
eye movements was observed in all non-eye-movement-sensitive cells
and 26% of the pursuit eye-movement-sensitive neurons in the caudal
FN. Many non-eye-movement-sensitive cells recorded in the rostral
FN of three fascicularis monkeys exhibited convergence of signals
from both the otolith organs and the semicircular canals. At low

  

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

 

Collections: Biology and Medicine