title: Aggression and the pleasure principle: towards a psychoanalytic theory of aggression.
mesh_terms: D000339:Affect; D000374:Aggression; D002657:Child Development; D002675:Child, Preschool; D006706:Homeostasis; D006801:Humans; D007223:Infant; D007989:Libido; D009043:Motor Activity; D010990:Pleasure-Pain Principle; D011574:Psychoanalytic Theory; D011606:Psychosexual Development; D013391:Sucking Behavior