Effects of palatable nonnutritive bulk as a reinforcer.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001522:Behavior, Animal; D003213:Conditioning, Psychological; D004435:Eating; D005108:Extinction, Psychological; D005247:Feeding Behavior; D005260:Female; D008124:Locomotion; D009043:Motor Activity; D051381:Rats; D012054:Reinforcement, Psychology