Abstract
Toads (Bufo woodhousii woodhousii and Bufo valliceps) were trained for position discrimination in a T maze. One hundred-ninety acquisition trials were followed by 40 extinction trials. The curve obtained differed somewhat from the usual mammalian results. The Ss were performing at 60% correct response level at the end of the acquisition trials and extinguished very rapidly. The study also indicated species differences in adaptability to the lab situation.
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This experiment was supported by NSF Grant GY-4370 to the junior author. The authors express appreciation for the many helpful suggestions from William F. Pyburn, Professor of Biology, University of Texas at Arlington.
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Chu, P.K., McCain, G. Discrimination learning and extinction in toads1. Psychon Sci 14, 14–15 (1969). https://doi.org/10.3758/BF03336400
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DOI: https://doi.org/10.3758/BF03336400