Freud's concept of trauma and a specific ego function.
D000223:Adaptation, Psychological; D001290:Attitude; D001317:Austria; D003674:Defense Mechanisms; D004532:Ego; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010553:Personality Development; D011574:Psychoanalytic Theory; D011606:Psychosexual Development