title: An empirical investigation of Freud's theory of jokes.
mesh_terms: D000328:Adult; D000374:Aggression; D003643:Death; D049673:History, 20th Century; D006801:Humans; D007266:Inhibition, Psychological; D007845:Laughter; D008093:Literature, Modern; D011574:Psychoanalytic Theory; D011606:Psychosexual Development; D012725:Sexual Behavior; D014925:Wit and Humor as Topic