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Brain Res. 1990 Apr 9;513(1):171-4.

Electrophysiological characteristics of cholinergic and non-cholinergic neurons in the rat medial septum-diagonal band complex.

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Center for Neuroscience, Weizmann Institute, Rehovot, Israel.


We examined the electrophysiological properties of cholinergic and non-cholinergic neurons in the medial septum-diagonal band complex (MSDB) of the rat in the in vitro slice preparation. Cells were identified electrophysiologically, filled with Lucifer yellow, fixed and processed for immunohistochemistry with fluorescent labeled anti-choline acetyltransferase (ChAT) antibody. Cholinergic and non-cholinergic neurons differed in action potential parameters, spike afterpotentials and in current-voltage relationships. In addition, cholinergic neurons expressed a potent transient outward rectification in response to a depolarizing current pulse.

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