title: Maintenance schedules and hunger drive: an examination of the rat literature.
mesh_terms: D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D003216:Conditioning, Operant; D004435:Eating; D005106:Exploratory Behavior; D005247:Feeding Behavior; D005508:Food Deprivation; D006815:Hunger; D007858:Learning; D008124:Locomotion; D009042:Motivation; D009043:Motor Activity; D051381:Rats; D013997:Time Factors