Okur-Chung Neurodevelopmental Syndrome, also known as csnk2a1-related neurodevelopmental syndrome, is related to chilton-okur-chung neurodevelopmental syndrome and contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a. An important gene associated with Okur-Chung Neurodevelopmental Syndrome is CSNK2A1 (Casein Kinase 2 Alpha 1), and among its related pathways/superpathways are Toll-like receptor signaling pathway and Alzheimer's disease and miRNA effects. Affiliated tissues include heart and tongue, and related phenotypes are global developmental delay and delayed ability to walk