Psychological needs of the elderly.
D000223:Adaptation, Psychological; D000342:Affective Symptoms / Q000209:etiology; D000368:Aged; D000375:Aging; D001921:Brain / Q000503:physiopathology; D003221:Confusion / Q000209:etiology; D003704:Dementia / Q000209:etiology / Q000503:physiopathology; D003863:Depression / Q000209:etiology; D006233:Persons with Disabilities; D005239:Fear; D006801:Humans; D007360:Intelligence; D011581:Psychological Tests; D012934:Social Isolation