title: Direct intragastric infusion of liquid food paired with external stimulus as a reinforcement in instrumental conditioning [proceedings].
mesh_terms: D000818:Animals; D003080:Cold Temperature; D003216:Conditioning, Operant / Q000502:physiology*; D004068:Digestive System Physiological Phenomena; D005502:Food; D006358:Hot Temperature; D007441:Intubation, Gastrointestinal; D008027:Light; D008297:Male; D051381:Rats; D012054:Reinforcement, Psychology; D013016:Sound