SCN2A and autism: For example, SCN2A (MIM: 182390) has been validated to be causative for autism (MIM: 209850) [43] and early infantile epileptic encephalopathy-11 (EIEE11, MIM: 613721) [44], [45] but benign familial neonatal-infantile seizures-3 (BFIS3, MIM: 607745) [46], [47].