Negative Myoclonus , Idiopathic Myoclonic, Tonic-Clonic and/or Absence Seizures and even Lennox-Gastaut Syndrome . It is also used in the treatment of Landau-Kleffner Syndrome , side effects associated with traumatic brain injuries , Bipolar DIsorder , migraines , Neuropathic Pain , as an adjunctive analgesic , along with traditional opiods , in