title: Heart rate changes in dogs during temporally spaced responding.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003216:Conditioning, Operant; D004285:Dogs; D005247:Feeding Behavior; D006339:Heart Rate; D008660:Metabolism; D009043:Motor Activity; D005082:Physical Exertion; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology