A group of chronic CNS disorders characterized by recurrent seizures. • Seizures are symptoms of an abnormality in the nerve centers of the brain. They are briefs periods of abnormal electrical activity in the brain. Brain dysfunction resulting from abnormal discharge of neuronal cells with associated motor, sensory or behavioral changes. DRUG USED FOR PARKINSON’S DISEASE dr. Agung Wiwiek Indrayani, M.Kes Department of Pharmacology Udayana University