Clinical aspects of dementia syndrome.
D000368:Aged; D000544:Alzheimer Disease / Q000175:diagnosis; D003210:Concept Formation; D003704:Dementia / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D011939:Mental Recall; D011581:Psychological Tests; D011930:Reaction Time; D012153:Retention, Psychology; D013850:Thinking