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Neurosci Lett. 1996 Dec 6;220(1):41-4.

Electrophysiological properties of rat subicular neurons in vitro.

Author information

1
Institute of Physiology at the Charité, Department of Neurophysiology,Humboldt University Berlin, Germany. behr@comcom.rz.charite.hu-berlin.de

Abstract

The electrophysiological properties of 46 bursting cells and 39 regular firing cells were studied in the subiculum of rat combined hippocampal-entorhinal cortex slices. In bursting cells we found a significantly higher resting membrane potential than in regular firing cells. Upon hyperpolarization both cell types expressed a delayed inward rectification with a subsequent afterdepolarization. While in regular firing cells longer lasting depolarizing current injection caused a train of action potentials with a rather marked decline of discharge frequency, bursting cells displayed only little frequency accommodation. Regular firing cells usually displayed a fast and a slow afterhyperpolarization following a train of action potentials, while bursting neurons present only a slow afterhyperpolarization.

PMID:
8977144
[Indexed for MEDLINE]

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