Conditioned inhibition and the UCS-CS interval |
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| Authors: | Steven F Maier Peter Rapaport Kimbal L Wheatley |
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| Institution: | 1. Department of Psychology, University of Colorado, 80302, Boulder, Colorado
2. Weber State College, 84408, Ogden, Utah
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| Abstract: | The role of temporal factors in the development of conditioned inhibition was investigated in a backward conditioning design. Separate groups of rats received tone CSs either 3 or 30 sec following shock presentations. The CSs predicted the same shock-free interval for both groups. A third group was presented with a random relationship between CS and shock. The CSs were tested by super-imposition on a Sidman avoidance baseline and only the group with a 3-sec UCS-CS interval revealed an inhibitory effect of the CS. These results are in accord with predictions made by the Solomon-Corbit model of acquired motivation and by Denny’s “relaxation” theory of escape and avoidance. |
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