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Updates: Revised operational classification of seizure types and epilepsies by the International League Against Epilepsy

The classification has been revised. Seizures are divided into those of focal, generalised, unknown onset, with subcategories of motor, non-motor, with retained or impaired awareness for focal seizures. See Theory: classification.

Levels of classification to aid in the diagnosis include seizure type, epilepsy type (focal, generalised, combined generalised and focal, unknown) and epilepsy syndrome.