Abstract
In the presence of either a visual or an auditory discriminative stimulus, but not in their absence, dogs were required to depress a panel to avoid electric shock on a variable-interval limited hold schedule. Once avoidance responding had stabilized, the dogs received presentations of the auditory-visual compound as well as the elements in a test session. All dogs responded at a higher rate in the presence of the compound stimulus than in the presence of either element.
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This research was supported by Grant MH15468-03 from the National Institute of Mental Health to V.M.L. The authors thank Robert Newlin for his assistance in running several of the animals.
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LoLordo, V.M., Hartf, C.L. The effects of compounding discriminative stimuli that control variable-interval limited-hold avoidance. Psychon Sci 29, 147–148 (1972). https://doi.org/10.3758/BF03342574
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DOI: https://doi.org/10.3758/BF03342574