Epilepsy, sometimes referred to as seizure disorder  which is a temporary disturbance in brain function. Seizures happen when the electrical system of the brain malfunctions. Instead of discharging electrical energy in a controlled manner, the brain cells keep firing. The result may be a surge of energy through the brain. Disturbances of nerve cell activity produce symptoms, such as unconsciousness and contractions of the muscles, that vary depending on which part (and how much) of the brain is affected.

An epilepsy syndrome is defined by a collection of similar factors, such as type of seizure, when they developed in life, and response to treatment.

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