Neurodevelopmental Disorder with Severe Motor Impairment and Absent Language is related to neurodevelopmental disorder with variable motor and language impairment and strabismus. An important gene associated with Neurodevelopmental Disorder with Severe Motor Impairment and Absent Language is DHX30 (DExH-Box Helicase 30). Affiliated tissues include tongue and skin, and related phenotypes are intellectual disability and hypotonia