<prompt> Which one of the following in the characteristic feature of juvenile myoclonic epilepsyMyoclonic seizures frequently occur in morningComplete remission is commonResponse to anticonvulsants is poorAssocited absence seizures are present in majority of patients  <response>: Juvenile myoclonic epilepsy is an epilepsy syndrome. Epilepsy syndromes are disorders in which epilepsy is a predominant feature and there is sufficient evidence to suggest a common underlying mechanism.Juvenile Myoclonic EpilepsyIt is characterized by:Appearance in early adolescenceBilateral myoclonic jerks that may be single or repetitiveMost frequent in morning after awakeningCan be provoked by sleep deprivationConsciousness is usually preserved unless myoclonus is specially severeAssociation with generalized tonic-clonic seizures and absence seizures is seenAbsence seizures occur in 13rd of patientsBenign condition although complete remission is uncommonSeizure responds well to appropriate anticonvulsant medicationFamily history of epilepsy is commonEEG show 4-6s irregular spikeTreatment is with valproate 