Prophylactic psychopharmacology and age-correlated intellectual changes.
D000368:Aged; D000375:Aging; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D007361:Intelligence Tests; D008875:Middle Aged; D009042:Motivation / Q000187:drug effects; D009420:Nervous System / Q000187:drug effects; D011581:Psychological Tests; D011600:Psychopharmacology