has material basis in germline mutation in UNC13A Mendelian neurodevelopmental disorder syndromic complex neurodevelopmental disorder neurodevelopmental disorder with speech delay, movement abnormalities, and seizures https://github.com/monarch-initiative/mondo/issues/10181 https://github.com/monarch-initiative/mondo/issues/10793 UNC13A-related neurodevelopmental disorder with seizures and movement disorder MEDGEN:1896172 OMIM:621456 A neurodevelopmental disorder caused by a variation in the UNC13A gene, characterized by variable degrees of developmental delay and intellectual disability, seizures of various types, and tremor and dyskinetic movements, with death in early childhood in some cases. MONDO:0980941 UMLS:C6065943 DOID:0061253