Mondo Description Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the SCN2A gene.

Uniprot Description An autosomal dominant seizure disorder characterized by neonatal or infantile onset of refractory seizures with resultant delayed neurologic development and persistent neurologic abnormalities. Patients may progress to West syndrome, which is characterized by tonic spasms with clustering, arrest of psychomotor development, and hypsarrhythmia on EEG.

Disease Ontology Description An early infantile epileptic encephalopathy characterized by infantile onset of refractory seizures, delayed neurologic development, and persistent neurologic abnormalities that has_material_basis_in heterozygous mutation in the SCN2A gene on chromosome 2q24.