Neurophysiology

, Volume 27, Issue 3, pp 148–155 | Cite as

Synaptic effects induced in efferent neurons of the parietal associative cortex of the cat by stimulation of the cerebellar nuclei

  • V. V. Fanardzhyan
  • Ye. V. Papoyan
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Abstract

Properties of EPSP, evoked in efferent neurons of the parietal associative cortex by stimulation of the cerebellar nuclei, were studied in acute experiments on anesthetized and immobilized cats; intracellular recording was used. The neurons were identified by their antidromic activation after stimulation of the motor cortex, pontinen.n. proprii, or red nucleus. The effects of stimulation of the cerebellar nuclei were of oligo- and polysynaptic nature. The latencies of cerebellofugal EPSP correlated with the latencies of antidromic activation, and correlations were significant both in the cases when the effects of stimulation of separate efferent projections (cortico-cortical, cortico-pontine, or cortico-rubral) and the effects of stimulation of separate cerebellar nuclei were analyzed. The functional role of the efferent systems of the parietal associative cortex and significance of functional parameters of the neurons constituting these systems are discussed.

Keywords

Efferent Neuron Functional Role Motor Cortex Functional Parameter Cerebellar Nucleus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • V. V. Fanardzhyan
    • 1
  • Ye. V. Papoyan
    • 1
  1. 1.Orbeli Institute of PhysiologyNational Academy of Sciences of ArmeniaYerevanArmenia

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