Neurodevelopmental Disorder with Regression, Abnormal Movements, Loss of Speech, and Seizures, is also known as nedamss. An important gene associated with Neurodevelopmental Disorder with Regression, Abnormal Movements, Loss of Speech, and Seizures is IRF2BPL (Interferon Regulatory Factor 2 Binding Protein Like). Affiliated tissues include brain and eye, and related phenotypes are intellectual disability and seizure