title: SUMMATION OF RESPONSE STRENGTHS INSTRUMENTALLY CONDITIONED TO STIMULI IN DIFFERENT SENSORY MODALITIES.
mesh_terms: D003213:Conditioning, Psychological; D005108:Extinction, Psychological; D005793:Generalization, Psychological; D006801:Humans; D051381:Rats; D012106:Research
keywords: CONDITIONING (PSYCHOLOGY); EXPERIMENTAL LAB STUDY; EXTINCTION (PSYCHOLOGY); GENERALIZATION (PSYCHOLOGY); RATS