autosomal dominant intellectual developmental disorder neurodevelopmental disorder with speech impairment and dysmorphic facies A autosomal dominant intellectual developmental disorder characterized by developmental delay associated with mild to moderately impaired intellectual development or learning difficulties, behavioral or psychiatric abnormalities, and delayed speech and language acquisition that has_material_basis_in heterozygous mutation in the SETD1A gene on chromosome 16p11. MIM:619056 DOID:0070417 NEDSID disease_ontology