Effect of sample presentation time on long-delay matching in the pigeon |
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| Authors: | Douglas S Grant |
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| Institution: | University of Western Ontario, London, Ontario, Canada |
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| Abstract: | The effect of sample stimulus presentation time on long-delay matching in highly practiced pigeons was investigated. The birds were found capable of above chance matching performance at a delay of 60 sec provided the sample stimulus was presented for 4 sec or longer. Matching accuracy increased as a negatively accelerated function of sample stimulus presentation time and decreased as a negatively accelerated function of time since the termination of the sample. The rate of forgetting was found to be independent of sample stimulus presentation time. The data were inconsistent with a temporal discrimination interpretation of the effect of presentation time on delayed matching. The data were interpreted as supporting a simple trace strength and decay model of pigeon delayed matching. |
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| Keywords: | Requests for reprints should be sent to Douglas S Grant Department of Psychology University of Alberta Edmonton Alberta Canada T6G 2E9 |
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