Language and aging.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000544:Alzheimer Disease / Q000150:complications* / Q000523:psychology; D001037:Aphasia / Q000209:etiology / Q000469:parasitology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007802:Language; D007804:Language Development; D007806:Language Disorders / Q000209:etiology* / Q000523:psychology; D007807:Language Tests; D008875:Middle Aged; D009483:Neuropsychological Tests; D009790:Occupations; D011578:Psycholinguistics; D011581:Psychological Tests; D012660:Semantics; D012951:Socialization