Epilepsy is a neurological disorder that causes a person to have recurring seizure attacks. A seizure is characterized by a momentary disruption of motor, sensory, or mental function and is defined as an aberrant and disordered firing of the brain's nerve cells. There are numerous distinct forms of seizures, the primary distinction between them being which parts of the brain are affected. The only thing that is implied by the term "epilepsy" is that recurrent seizures are present; no other information regarding the seizures themselves or what causes them is provided. In order to meet the requirements of a more stringent definition of the word, the seizures must have no known underlying cause. This type of epilepsy is also known as primary epilepsy or idiopathic epilepsy.
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