Effects of NMDA antagonists on picrotoxin-, low Mg2+- and low Ca2+-induced epileptogenesis and on evoked changes in extracellular Na+ and Ca2+ concentrations in rat hippocampal slices.


The anticonvulsant properties of ketamine and 2-APV were compared on 3 types of convulsant activity in hippocampal area CA1: the 'picrotoxin-epilepsy,' the 'low magnesium epilepsy' and the 'low calcium epilepsy.' In particular the spontaneous activity, the synaptically evoked responses and the changes in [Ca2+]0 were examined, since in many cases of… (More)


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