Electroencephalogram (EEG) in a patient with juvenile myoclonic epilepsy (JME)

Interictal discharge in an 18-year-old girl with a history of a single generalized tonic–clonic seizure and myoclonic seizures showing generalized polyspike and wave (A). The ictal electroencephalogram (EEG) demonstrating generalized polyspike-wave discharge, with bilateral symmetric limb jerks (B). This clinical history and EEG are most suggestive of juvenile myoclonic epilepsy.

From: Hirsch E, French J, Scheffer IE, et al. ILAE definition of the Idiopathic Generalized Epilepsy Syndromes: Position statement by the ILAE Task Force on Nosology and Definitions. Epilepsia 2022; 63:1475. Copyright © 2022 The Authors. https://onlinelibrary.wiley.com/doi/10.1111/epi.17236 (Accessed January 8, 2025). Reproduced under the terms of the Creative Commons Attribution License 4.0.

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Electroencephalogram (EEG) in a patient with juvenile myoclonic epilepsy (JME)