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Causes of generalized onset seizures
At what age do they usually start?
Generalized-onset seizures (i.e., seizures that cannot be localized to one cerebral hemisphere at onset) usually have a genetic predisposition.
The seizures typically begin before the age of 20 and are not associated with well-defined auras (an aura is the first subjective symptom of the seizure and represents a focal seizure).
Sources
- French JA, Pedley TA: Initial management of epilepsy. N Engl J Med 359:166-176, 2008.
- Fisher RS, et al.: ILAE official report: a practical definition of epilepsy. Epilepsia 55:475-482, 2014.
- Commission on the Classification and Terminology of the International League Against Epilepsy: Proposal for revised clinical and electroencephalographic classification of epileptic seizures. Epilepsia 22:489-501, 1981.
- Berg AT, et al.: Revised terminology and concepts for organization of seizures and epilepsies: report of the ILAE Commission on Classification and Terminology, 2005-2009. Epilepsia 51, 676-685, 2010.
