What is Seizure Disorder
What exactly is Seizure Disorder? Our medical encyclopedia can get you started in your journey to learn more about this condition. Continue your research by clicking a new category in the left navigation.

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Seizure Disorder Definition
A seizure happens when there is certain types of abnormal electrical activity in the brain. During a seizure, you may:
- Lose consciousness
- Stare into space
- Have convulsions (abnormal jerking of the muscles)
- Experience abnormalities of sensation or emotion
When two or more seizures occur, it is considered a seizure disorder. This condition is also known as epilepsy.
Seizure disorders may be classified by the part of the brain they affect and the kinds of symptoms they cause. The main categories are:
- Generalized seizure disorder-thought to arise throughout the brain, not from a single focal location
- Partial seizure disorder (focal seizure)-caused by more localized abnormalities; happens within certain areas of the brain; may spread throughout the brain and become generalized

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