Internal impulses to aggression.
D000374:Aggression; D000818:Animals; D001921:Brain / Q000502:physiology; D002415:Cats; D003259:Consummatory Behavior; D004328:Drive; D004558:Electric Stimulation; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007175:Impulsive Behavior; D007858:Learning; D008297:Male; D051379:Mice; D051381:Rats