Matching-to-sample performance by pigeons trained with visual-duration compound samples

Philipp J. Kraemer, Karen L. Roper

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Pigeons were trained on duration matching-to-sample in which each of four combinations of signal type (red or white light) and duration (2 or 10 see) was mapped onto a different choice stimulus. Probe trials in Experiments 1 and 2 involved a successive presentation of two duration samples. In each experiment, birds tended to summate two durations when the same signal was presented twice, but not when two different signals appeared. These results contrast with those reported by Spetch and Sinha (1989), who found a summation effect with both same-signal and different-signal compounds. In Experiment 3, pigeons chose among two alternatives which were both associated with the duration of the sample but of which only one was also associated with the signal type of the sample. Pigeons systematically chose the stimulus that matched both sample duration and signal type. The implications of these findings are discussed in terms of transfer of training and coding of event duration.

Original languageEnglish
Pages (from-to)33-40
Number of pages8
JournalAnimal Learning and Behavior
Issue number1
StatePublished - Mar 1992

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Animal Science and Zoology
  • General Psychology
  • Behavioral Neuroscience


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