US-alone presentations as an extinction procedure |
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Authors: | John J. B. Ayres James O. Benedict |
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Affiliation: | 1. University of Massachusetts, 01002, Amherst, Massachusetts
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Abstract: | CS-alone trials or US-alone trials were interpolated between Pavlovian defense conditioning and later measurement of the Pavlovian CR (conditioned suppression of dipper licking). Although both procedures equally degraded the CS-US contingency, only the CS-alone procedure significantly weakened the previously established CR. The US-alone procedure appeared to have no effect. |
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