Based on the results of the meta-analysis by Bouma et al. Approximately 18% of patients with JAE progress into juvenile myoclonic epilepsy. In a study with long follow up by Trinka et al., 62 % of patients with JAE were in remission. In some patients, there may be additional myoclonic jerks as well.

Juvenile absence epilepsy is an idiopathic generalized epilepsy syndrome that is recognized by the ILAE (International League Against Epilepsy) that typically starts in adolescence around puberty and is characterized by absence seizures and generalized tonic-clonic seizures. īased on the latest International League Against Epilepsy (ILAE) classification, idiopathic generalized epilepsies include childhood absence epilepsy, juvenile absence epilepsy, juvenile myoclonic epilepsy, and generalized tonic-clonic seizures alone. This group of epilepsies is clinically characterized by the presence of absence seizures, generalized tonic-clonic seizures, and myoclonic seizures with an electroencephalographic pattern of generalized epileptiform spike and wave or polyspike and wave discharge, at times with a shifting predominance on a normal background. Idiopathic generalized epilepsy is a group of epilepsies accounting for about 20 to 40% of all epilepsies.