Giant Synaptic Potential Hypothesis for Epileptiform Activity
Copyright policy )Giant Synaptic Potential Hypothesis for Epileptiform Activity
According to one hypothesis, the paroxysmal depolarizing shift observed in the penicillin model of epilepsy results from a giant excitatory postsynaptic potential. This hypothesis has recently been questioned, primarily because it has never been subjected to rigorous experimental examination. Four quantitative predictions were derived from this hypothesis and tested in CA3 pyramidal neurons of the hippocampus. The four critical predictions concern the behavior of the paroxysmal depolarizing shift under current- and voltage-clamp conditions as a function of membrane potential. The experiments confirmed all four predictions.
- City Of Hope National Medical Center United States
Epilepsy, Guinea Pigs, Electric Conductivity, Synaptic Membranes, Action Potentials, Penicillin G, In Vitro Techniques, Hippocampus, Membrane Potentials, Disease Models, Animal, Animals
Epilepsy, Guinea Pigs, Electric Conductivity, Synaptic Membranes, Action Potentials, Penicillin G, In Vitro Techniques, Hippocampus, Membrane Potentials, Disease Models, Animal, Animals
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