STIMULUS CHANGE IN LIGHT-CONTINGENT BAR PRESSING.
D003213:Conditioning, Psychological; D005108:Extinction, Psychological; D007858:Learning; D008027:Light; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
CONDITIONING (PSYCHOLOGY); EXPERIMENTAL LAB STUDY; EXTINCTION (PSYCHOLOGY); LEARNING; LIGHT; RATS; REINFORCEMENT (PSYCHOLOGY)