Abstract
Rats under physical restraint were presented a CS that was previously paired with either shock onset or electric shock termination, or at random intervals before and after shock onset (control). The group exposed to the CS previously paired with shock onset had significantly more gastric lesions than did the other two groups, which did not differ. These results support the findings of studies which measured an instrumental response in showing that the effects of a CS associated with shock onset were different from the effects of a CS previously paired with shock termination.
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This study was based upon a thesis submitted to the Graduate School of the University of South Dakota in partial fulfillment of the requirements of the degree of Master of Arts. The research was carried out during the author’s tenure as an NDEA fellow.
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Fife, D.D. The effects of stimuli associated with shock onset or termination on restraint-induced gastric lesions. Psychon Sci 19, 163–164 (1970). https://doi.org/10.3758/BF03335530
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DOI: https://doi.org/10.3758/BF03335530