Dendritic Spikes and Their Inhibition in Alligator Purkinje Cells

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Science  07 Jun 1968:
Vol. 160, Issue 3832, pp. 1132-1135
DOI: 10.1126/science.160.3832.1132


Alligator Purkinje cells generate action potentials in the peripheral dendritic tree, after synaptic depolarization via superficial parallel fibers. These action potentials are inhibited at the dendrite level by preceding parallel-fiber volleys at close intervals. We conclude that this inhibition is produced by the activation of the inhibitory interneurons of the molecular layer, the stellate cells, which establish synaptic contacts with the dendrites of the Purkinje cells.

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