Abstract
Four hooded rats were placed on a mult VI 30 VR 3.3 schedule in which food was used to reinforce responding in the VI 30 component and electrical stimulation of the brain (ESB) was used to maintain behavior in the VR 3.3 component. When the VR 3.3 was switched to extinction, there was a positive behavioral contrast effect in the VI 30 component. These results supported the hypothesis that there would be an interaction between components in which qualitatively different reinforcing stimuli are used.
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This study was supported in part by National Research Council of Canada Grant APB-118 to Dr. C. H. Vanderwolf. Grateful acknowledgement is due to Drs. S. B. Kendall and C. H. Vanderwolf for their valuable criticism in the execution of the research and the writing of the manuscript. The author also wishes to thank M. Cole and Dr. F. M. VanFleet for their guidance in the laboratory.
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Beninger, R.J. Positive behavioral contrast with qualitatively different reinforcing stimuli. Psychon Sci 29, 307–308 (1972). https://doi.org/10.3758/BF03329216
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DOI: https://doi.org/10.3758/BF03329216