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Definition
Normal brain functioning is the result of millions of tiny electrical signals working together to enable movement, sensation, memory, emotion, behavior and consciousness. A seizure is the result of a sudden, irregular discharge of electrical signals.
A convulsion seizure is characterized by shaking of the body and a period of decreased mental awareness. Other, less apparent forms of seizures may affect a person's awareness, muscle control or sensory perception.
Epilepsy is the diagnosis after two or more seizures due to a defined or unknown problem in the brain. One seizure episode does not mean a diagnosis of epilepsy. Neither a child with one febrile seizure, nor an adult with a series of convulsions following alcohol withdrawal necessarily have epilepsy.
More than 2.5 million people are living with epilepsy in the United States. The condition affects people of all ages, races and ethnic backgrounds. There are more than 20 different seizure disorders. Once epilepsy is diagnosed, 80 percent of cases can be managed either with medications or surgery.
More on Epilepsy What Is a Seizure and When Does it Lead to Epilepsy?
First Aid Measures for a Seizure
In the Encyclopedia: Seizure disorder
Anticonvulsant drugs
Barbiturate-induced coma
Barbiturates
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