Neurodevelopmental Disorder with Microcephaly, Epilepsy, and Hypomyelination, is also known as nedmehm. An important gene associated with Neurodevelopmental Disorder with Microcephaly, Epilepsy, and Hypomyelination is MTHFS (Methenyltetrahydrofolate Synthetase). Affiliated tissues include brain, and related phenotypes are seizure and spasticity