title: MOTIVATIONAL ARTIFACT IN STANDARD FOOD-DEPRIVATION  SCHEDULES.
mesh_terms: D016477:Artifacts; D001835:Body Weight; D001837:Body Weights and Measures; D005508:Food Deprivation; D006815:Hunger; D009042:Motivation; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
keywords: BODY WEIGHT; EXPERIMENTAL LAB STUDY; HUNGER; MOTIVATION; RATS; REINFORCEMENT (PSYCHOLOGY)