title: Generalized decline in psychologic functioning.
abstract: In late middle age, many patients consult physicians with nonspecific complaints involving a decline in mental functioning. Distinguishing between psychologic and organic causes of mental impairment, particularly between depression and dementia, is essential.
mesh_terms: D003704:Dementia / Q000175:diagnosis*; D003863:Depression / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged