Intragastric reinforcement effect.
D000818:Animals; D003216:Conditioning, Operant; D003259:Consummatory Behavior; D007441:Intubation, Gastrointestinal; D008297:Male; D051381:Rats; D012054:Reinforcement, Psychology; D012653:Self Stimulation; D013268:Stimulation, Chemical; D013549:Sweetening Agents / Q000008:administration & dosage; D013696:Temperature
D013549:Sweetening Agents