title: Ingestion rate as a reward-magnitude variable in classical and instrumental conditioning in rats.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D004326:Drinking; D005260:Female; D005793:Generalization, Psychological; D008124:Locomotion; D010775:Photic Stimulation; D051381:Rats; D012201:Reward; D014867:Water; D014868:Water Deprivation
chemical_list: D014867:Water