Disease Database Drug Database Alt. The constant release of electrical energy among brain cells is necessary for all human activities. But in persons with epilepsy the release is sometimes too great, and the visible result is an epileptic seizure.
General seizures involve the whole brain.
One form is a convulsion, which results in a complete lack of consciousness. Another form looks like a brief period of fixed staring. Partial seizures are localized in one part of the brain. They may involve involuntary movements or temporary changes in the way things look, taste, sound, feel, or smell. Some partial seizures produce periods of automatic behavior and altered consciousness.