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Electrophysiological studies on the postnatal development of intracerebellar nuclei neurons in rat cerebellar slices maintained in vitro 1. postsynaptic potentials






Developmental Brain Research 19(1): 47-56

Electrophysiological studies on the postnatal development of intracerebellar nuclei neurons in rat cerebellar slices maintained in vitro 1. postsynaptic potentials

The development of the synaptic responses of intracellular nuclei neurons was studied in the rat by the use of thick sagittal cerebellar slices maintained in vitro. Functional excitatory synapses are present on these neurons from birth, probably due to climbing and/or mossy fiber collaterals. Functional inhibitory synapses, due to monosynaptic projections of Purkinje cell axons onto intracellular nuclei, are present as early as postnatal day 2. A more complex pattern of synaptic responses, including short latency excitatory postsynaptic potentials (EPSP) and inhibitory postsynaptic potentials (IPSP), longer latency IPSP and late depolarizing responses, can be elicited in nuclear neurons as early as postnatal day 3, indicating an early development of some complete functional cerebellar circuits involving the intracerebellar nuclei.


Accession: 005349812

PMID: 2986789



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