has material basis in autosomal dominant disease developmental and epileptic encephalopathy 14 disease_ontology A developmental and epileptic encephalopathy characterized by refractory focal seizures developing by 6 months of age and arrest of psychomotor development that has_material_basis_in heterozygous mutation in the KCNT1 gene on chromosome 9q34. DEE14 DOID:0080439 MIM:614959 early infantile epileptic encephalopathy 14 developmental and epileptic encephalopathy autosomal dominant inheritance