Differentiating dementia from nondementing conditions.
D000208:Acute Disease; D000368:Aged; D003221:Confusion / Q000175:diagnosis; D003704:Dementia / Q000175:diagnosis*; D003863:Depression / Q000175:diagnosis; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D011930:Reaction Time; D013577:Syndrome