An autosomal recessive condition characterized by recurrent myoclonic and generalized seizures, ATAXIA, slowly progressive intellectual deterioration, DYSARTHRIA, and intention tremor. Myoclonic seizures are severe and continuous, and tend to be triggered by movement, stress, and sensory stimuli. The age of onset is between 8 and 13 years, and the condition is relatively frequent in the Baltic region, especially Finland. (From Menkes, Textbook of Child Neurology, 5th ed, pp109-110)
Also Known As:
Disease, Unverricht; Baltic Myoclonic Epilepsy; Baltic Myoclonus Epilepsy; Epilepsy, Progressive Myoclonic 1; Epilepsy, Progressive Myoclonic 1a; Epilepsy, Progressive Myoclonic Type 1; Epilepsy, Progressive Myoclonus 1; Myoclonic Epilepsy of Unverricht and Lundborg; Myoclonus Progressive Epilepsy of Unverricht and Lundborg; Progressive Myoclonus Epilepsy 1; Progressive Myoclonus Epilepsybaltic Myoclonic Epilepsy; Unverricht Disease; Unverricht-Lundborg Disease; Baltic Myoclonic Epilepsies; Baltic Myoclonus Epilepsies; Disease, Unverricht-Lundborg; Diseases, Unverricht; Diseases, Unverricht-Lundborg; Epilepsies, Baltic Myoclonic; Epilepsies, Baltic Myoclonus; Epilepsy, Baltic Myoclonic; Epilepsy, Baltic Myoclonus; Epilepsy, Mediterranean Myoclonic; Lundborg Unverricht Syndrome; Myoclonic Epilepsies, Baltic; Myoclonic Epilepsy, Baltic; Myoclonic Epilepsy, Mediterranean; Myoclonus Epilepsies, Baltic; Myoclonus Epilepsy, Baltic; Myoclonus, Baltic; Syndrome, Lundborg-Unverricht; Syndrome, Unverricht-Lundborg; Unverricht Diseases; Unverricht Lundborg Disease; Unverricht Lundborg Syndrome; Unverricht-Lundborg Diseases; Baltic Myoclonus; Lundborg-Unverricht Syndrome; Mediterranean Myoclonic Epilepsy