Contributions of stimulus-incentive and stimulus-response-incentive contingencies to response acquisition and maintenance |
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| Authors: | Jacques Lajoie Dalbir Bindra |
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| Institution: | 1. McGill University, Montréal, Québec, Canada
2. Département de Psychologie, Université du Québec à Montréal, Case Postale 8888, Succursale “A,”, H3C 3P8, Montréal, Québec, Canada
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| Abstract: | The effects of stimulus-incentive (S:IS) contingency, stimulus-response-incentive (S:R:IS) contingency, and stimulus-no-response-incentive (S:R:IS) contingency on the acquisition and maintenance of an instrumental approach-contact response in the rat were studied. The experiment, concerned mainly with the temporal distribution of responses, showed that (1) the S:IS contingency and the S:R:IS contingency produced the same temporal distribution of responses; (2) the S:R:IS contingency produced higher rates of response than the S:IS contingency; (3) the negative S:R:IS contingency did not completely eradicate already established responses; and (4)post-CS responding occurred on reinforced trials. Consideration of these results indicates that the critical factor determining the higher rates of response under the S:R:IS contingency may be the S:R:IS occasions experienced only in the instrumental procedure. |
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