Mirror-image stimulation.
D000374:Aggression; D000818:Animals; D001519:Behavior; D001522:Behavior, Animal; D003216:Conditioning, Operant; D006801:Humans; D007062:Identification, Psychological; D007100:Imitative Behavior; D011599:Psychopathology; D012054:Reinforcement, Psychology; D012649:Self Concept; D012932:Social Facilitation; D014796:Visual Perception