- Average of at least 4 observable seizures (generalized or partial-onset [Generalized Tonic-Clonic, Generalized Tonic, Generalized Clonic, Generalized Atonic, Partial/Focal with Secondary Generalization, Myoclonic, Myoclonic Atonic, Myoclonic Tonic, Complex Partial/Focal, and Simple Partial/Focal Motor) in one month prior to the study by caregiver report or presence of dystonia on average at least four times in one month prior to the study in at least one body region rated as at least "mild" by caregiver report