ELECTRICAL STIMULATION OF THE INTERIOR OF THE CEREBELLUM IN THE DECEREBRATE CAT

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Abstract
From the evidence derived from elec. stimulation of the cerebellum of the cat there seem to exist in that organ 2 neural mechanisms capable, when properly excited, of producing and maintaining biphasic postural responses of 2 very distinct patterns. The 1st of these is related to the entire axial and appen-dicular musculature; the influence of the 2d is restricted to the ipsilateral foreleg. Decerebration, even when the brain stem is severed caudal to the red nuclei, does not affect the activity of the 1st other than perhaps to add to its intensity, nor does decerebration appear to alter the expression of the 2d unless the transection entirely excludes the rubral apparatus, in which case the rebound flexion of the ipsilateral foreleg is no longer obtainable.

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