Epilepsy is a family of neurological disorders that are common and harmful to human's health. The etiologies of epilepsy and the clinical manifestations of seizures are complex and various. To elucidate the mechanisms underlying seizure generation, lots of researches in the anatomy, physiology, biochemistry, genetic and molecular biology of epilepsy have been done over many years. However, no single hypothesis provides a unifying frmnework within which all kinds of epilepsy can be included so far. In fact, the eleetrophysiologic essence of epileptic: seizure is abnormal excess discharges of neurons. On the standpoint of electrophysiology, the reasons of abnormal discharges of neurons are of common character: depolarizing currents with long durations and high amplitudes on cell levels, which is closely related to slow waves with high amplitudes on EEG levels. This can make us understand the mechanism of epileptic seizures better, and is helpful for well control and therapy of seizures.
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