| Namespace | disease_ontology | Obsolete | false |
| description | A progressive myoclonus epilepsy characterized by childhood to adolescent-onset of action myoclonus, generalized tonic-clonic seizures, and slowly progressive, moderate to severe cognitive impairment that has_material_basis_in homozygous or compound heterozygous mutation in CERS1 on chromosome 19p13.11. |
