Monarch Disease Ontology identifier MONDO_0014633 (epilepsy with myoclonic atonic seizures) is an idiopathic generalized epilepsy characterized by onset of multiple seizure types in the first few years of life and associated with poor prognosis. Affected individuals have cognitive regression and intellectual disability and that has material basis in heterozygous mutation in the SLC6A1 gene on chromosome 3p25. Also known as: Doose syndrome, EMAS, EMAtS, MAE, Myoclonic Atonic Epilepsy, epilepsy with myoclonic-astatic seizures, epilepsy with myoclonic-atonic seizures, myoclonic atonic epilepsy.