Effects of response elimination procedures upon the subsequent reacquisition of autoshaping |
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| Authors: | Arthur Tomie Mark Hayden Debi Biehl |
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| Institution: | 1. Department of Psychology, Rutgers University, Busch Campus, 08903, New Brunswick, New Jersey
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| Abstract: | In Experiment 1, three groups of pigeons were autoshaped and then administered one of three different response-elimination procedures. Group TRC (truly random control) and Group Backward (backward conditioning) ceased responding more rapidly than Group CS-only. In a subsequent reacquisition test with a novel CS, Groups TRC and Backward were retarded relative to Group CS-only. In Experiment 2, the CS-only and TRC response-elimination treatments were not differentially effective in extinguishing the response. The treatments were followed either by five sessions of unpredictable US presentations (US-only) or by five sessions of remaining in their home cages (hold) prior to the reacquisition test. The TRC treatment retarded reacquisition relative to the CS-only treatment; the US-only posttreatment manipulation failed to reliably retard reacquisition relative to Hold, although retarding effects of US-only are discernible in a block-by-block analysis. Applications and limitations of a context-blocking account of these results are discussed. |
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