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Electrophysiological properties of rat subicular neurons in vitro

Item Type:Article
Title:Electrophysiological properties of rat subicular neurons in vitro
Creators Name:Behr, J. and Empson, R.M. and Schmitz, D. and Gloveli, T. and Heinemann, U.
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.
Keywords:Subiculum, Intracellular Recording, Bursting Cells, Regular Firing Cells, Accommodation, Afterhyperpolarization, Animals, Rats
Source:Neuroscience Letters
ISSN:0304-3940
Publisher:Elsevier (The Netherlands)
Volume:220
Number:1
Page Range:41-44
Date:6 December 1996
Official Publication:https://doi.org/10.1016/S0304-3940(96)13242-0
PubMed:View item in PubMed

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