Increases in heart rate accompanying decreases in activity and defecation: support for a dual process theory of habituation.
D000818:Animals; D001143:Arousal; D001522:Behavior, Animal; D003672:Defecation; D004644:Emotions; D006185:Habituation, Psychophysiologic; D006339:Heart Rate; D006799:Housing, Animal; D008297:Male; D009043:Motor Activity; D051381:Rats