Revised Operational Classification of Seizure Types

T he International League Against Epilepsy (ILAE) issued a revised operational classification of seizure types. The ILAE retained much of the old structure, but new features include new types of focal motor seizures: automatism, tonic, atonic, myoclonic, hyperkinetic, and spasm motor seizures. Focal nonmotor seizures can be autonomic, behavior arrest, cognitive, emotional, and sensory. A few new generalized types are included, as well as seizures of unknown onset. Partial is renamed focal. Simple partial is renamed focal aware and complex partial, focal impaired awareness. The new classification should enhance clarity and communication.