A seizure is a clinical manifestation characterized by abnormal excessive or synchronous neuronal activity in the brain that occurs instantaneously [1]. Seizures are categorized into provoked seizure and unprovoked seizure, according to whether there are one ore more predisposing factors [2]. A provoked seizure is defined as an acute occurrence caused by stroke, traumatic brain injury, intracranial surgery, central nervous system (CNS) infections or other acute brain disease. And an unprovoked seizure is of unknown cause.
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