Infantile spasms and hypsarrhythmia.
D004569:Electroencephalography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000209:etiology; D013035:Spasm / Q000503:physiopathology*; D013036:Spasms, Infantile / Q000503:physiopathology*