Mental retardation.
D000293:Adolescent; D000328:Adult; D001288:Attention; D001521:Behavior Therapy; D002648:Child; D003072:Cognition Disorders / Q000523:psychology; D003213:Conditioning, Psychological; D004193:Discrimination Learning; D004495:Education of Persons with Intellectual Disabilities; D004519:Education, Special; D006801:Humans; D007206:Individuality; D008607:Intellectual Disability / Q000175:diagnosis / Q000523:psychology*; D011939:Mental Recall; D012106:Research; D012652:Self Mutilation / Q000523:psychology; D012917:Social Adjustment