Abstract
If pigeons are trained on matching-to-sample with differential responding required to the two samples, there is evidence that the differential responding can control comparison choice. We asked whether similar responding required at two different locations could also serve as the basis for comparison choice. Pigeons were pretrained to report the location that they had pecked. To reduce the likelihood that they could use the presence of differential proprioceptive cues at the time of their report, a common response was required between the location response and the comparison choice. They were then given experience with a conditional discrimination in which location of the comparison response varied randomly and was incidental to the choice of comparison. On test trials, after the pigeons had made their comparison choice, they showed a significant tendency to choose the appropriate test comparison when they were unexpectedly asked to report the location of their previous pecking response. These results have implications for the demonstration of episodic-like memory in pigeons because they suggest that pigeons have the capacity to recall, unexpectedly, specific details about their past experiences. 2007 Psychonomic Society, Inc.
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This research was supported by Grant MH 63726 from the National Institute of Mental Health.
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Singer, R.A., Zentall, T.R. Pigeons learn to answer the question “where did you just peck?” and can report peck location when unexpectedly asked. Learning & Behavior 35, 184–189 (2007). https://doi.org/10.3758/BF03193054
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DOI: https://doi.org/10.3758/BF03193054