NACC1 and Dystonia: Recently, a de novo heterozygous NACC1 (nucleus accumbens‐associated 1), HUGO Gene Nomenclature Committee (HGNC) Identifier HGNC:20967, c.892C>T (NM_052876.4; NP_443108.1: p.Arg298Trp) variant has been described in nine patients with infantile onset epilepsy, postnatal microcephaly, severe to profound intellectual disability, bilateral cataracts, and hyperkinetic movements including hand stereotypies, chorea, and dystonia.9, 10, 11