Observations on animal behavior and its relationship to masochism.
D000818:Animals; D001009:Anxiety, Castration; D001522:Behavior, Animal; D003214:Conditioning, Classical; D006167:Guilt; D006801:Humans; D007173:Imprinting, Psychological; D007323:Instinct; D007858:Learning; D008398:Masochism / Q000209:etiology*; D012054:Reinforcement, Psychology