Neurodevelopmental Disorder with or Without Hyperkinetic Movements and Seizures, Autosomal Dominant, also known as mental retardation, autosomal dominant 8, formerly, is related to neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive and autosomal dominant intellectual developmental disorder 8. An important gene associated with Neurodevelopmental Disorder with or Without Hyperkinetic Movements and Seizures, Autosomal Dominant is GRIN1 (Glutamate Ionotropic Receptor NMDA Type Subunit 1). Affiliated tissues include eye and brain, and related phenotypes are intellectual disability and seizure