Congenital failure of myelinization.
D001921:Brain / Q000378:metabolism; D002675:Child, Preschool; D006801:Humans; D050356:Lipid Metabolism; D008052:Lipid Metabolism, Inborn Errors / Q000175:diagnosis*; D008297:Male; D009186:Myelin Sheath / Q000378:metabolism*; D009207:Myoclonus / Q000150:complications; D009420:Nervous System / Q000378:metabolism*; D011596:Psychomotor Disorders / Q000150:complications