MODIFICATION IN THE RAT'S DIURNAL ACTIVITY PATTERN AS A FUNCTION OF OPPORTUNITY FOR REINFORCEMENT BY INGESTION.
D000818:Animals; D001522:Behavior, Animal; D004435:Eating; D006815:Hunger; D009042:Motivation; D011803:Quinine; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
D011803:Quinine
BEHAVIOR, ANIMAL; EXPERIMENTAL LAB STUDY; HUNGER; MOTIVATION; QUININE; RATS; REINFORCEMENT (PSYCHOLOGY)