Neurodegeneration with Developmental Delay, Early Respiratory Failure, Myoclonic Seizures, and Brain Abnormalities, is also known as nddrsb. An important gene associated with Neurodegeneration with Developmental Delay, Early Respiratory Failure, Myoclonic Seizures, and Brain Abnormalities is MED11 (Mediator Complex Subunit 11). Affiliated tissues include brain and heart, and related phenotypes are hearing impairment and global developmental delay