Abstract
Background activity of Purkinje cells is compared in the intact cat cerebellar cortex and after deafferentation. Deafferentation causes a slight increase in frequency and regularity of discharge of the Purkinje cells, mainly through a decrease in the percentage of long interspike intervals. Consequently, incoming afferent impulses exert a mainly inhibitory effect on spontaneous activity of Purkinje cells. A study of interaction between neighboring Purkinje cells after deafferentation of the cerebellar cortex showed that they mutually inhibit each other. This effect is evidently mediated by recurrent axon collaterals of the Purkinje cells in the isolated cerebellar cortex; in contrast, with the intact cortex, no “complex” spikes of the Purkinje cells were observed.
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Arshavskii, Y.I., Berkinblit, M.B., Gel'fand, I.M. et al. Effect of deafferentation of the anterior lobe of the cat cerebellum on background activity of Purkinje cells. Neurosci Behav Physiol 5, 132–138 (1972). https://doi.org/10.1007/BF01184621
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DOI: https://doi.org/10.1007/BF01184621