[Characteristics of the neuronal activation of the pontine nuclei proper in the cat in cortico- and cerebellofugal impulse flow].

Antidromic activation of the pontine nuclei neurons evoked by stimulation of brachium pontis, brachium conjunctivum (in rare cases), cerebellar central nuclei, pyramidal tract and sensorimotor cerebral cortex was studied in narcotized cats using the intracellular recording technique. The projection to the cerebellar lateral nucleus was shown to be the most pronounced among pontine nuclear projections. Monosynaptic excitation of the pontine nuclei neurons during stimulation of the pyramidal tract, cerebellar central nuclei and brachium conjunctivum was revealed. Peculiarities and significance of the connections revealed for the functioning of cortico-ponto-cerebellar system are discussed.