A seizure is a sudden burst of electrical activity in the brain that causes a temporary disturbance in the way brain cells communicate with each other.
The kind of seizure a person has depends on which part and how much of the brain is affected by the electrical disturbance that produces the seizure. A seizure may take many different forms, including a blank stare, uncontrolled movements, altered awareness, odd sensations, or convulsions. Seizures are typically brief and can last anywhere from a few seconds to a few minutes.
Seizures are divided into two main categories:
