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2019-01-01
McMillan, Neil, Spetch, Marcia L.
In a two-stimulus visual discrimination choice task with a reversal in reward contingencies midway through each session, pigeons produce a surprising number of anticipatory errors (i.e., responding to the second-correct stimulus before the reversal) based on failure to inhibit timing-based...
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2016-02-17
McMillan, Neil, Sturdy, Christopher B., Pisklak, Jeffrey M., Spetch, Marcia L.
Animals make surprising anticipatory and perseverative errors when faced with a midsession reversal of reinforcer contingencies on a choice task with highly predictable stimulus–time relationships. In the current study, we asked whether pigeons would anticipate changes in reinforcement when the...