Conditioned inhibitory effects of discriminated Pavlovian training with food in rats depend on interactions of search modes, related repertoires, and response measures |
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| Authors: | Matthew R Tinsley William Timberlake Matthew Sitomer David R Widman |
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| Institution: | 1. Department of Psychology, Indiana University at Bloomington, 1101 East 10th Street, 47405, Bloomington, IN
2. Juniata College, Huntingdon, Pennsylvania
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| Abstract: | Like other accounts of conditioned inhibition, behavior systems predicts (and Experiment 1 shows) that during summation and retardation tests, presentation of a negative conditioned stimulus (a CS−) created by discriminative Pavlovian food conditioning will interfere with a focal search response, such as nosing in the feeder. Unlike most other views, behavior systems predicts (and Experiment 2 shows) that the same CS− can potentiate a general search response, like attending to a moving artificial prey stimulus. Contacting the prey stimulus in extinction increased over baseline when a CS- but not a CS Novel preceded it. Experiment 3 showed this effect was not due to unconditioned qualities of the CS−. It appears that the effects of a discriminative CS-depend on the interaction of the training contingency with search modes related to the unconditioned stimulus (US), their perceptual-motor repertoires and environmental support, and the choice of response measure. |
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