An electroencephalographic study of mentally retarded children.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004569:Electroencephalography; D005260:Female; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000209:etiology / Q000503:physiopathology*; D007360:Intelligence; D008297:Male