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Related Experiment Video

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A Method for Investigating Change Blindness in Pigeons Columba Livia
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Attention and timing: dual-task performance in pigeons.

H Lejeune1, F Macar2, D Zakay3

  • 1Psychobiology Temp/Processes Unit (PTPU), Faculty of Psychology, University of Liège, 5 Boulevard du Rectorat B32, B-4000 Sart-Tilman, Liege, Belgium.

Behavioural Processes
|June 5, 2014
PubMed
Summary
This summary is machine-generated.

Pigeons underestimated durations when a secondary task was present, especially when it occurred later in the trial. This supports attentional models of timing, suggesting resource diversion from temporal processing.

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Area of Science:

  • Cognitive Psychology
  • Animal Behavior
  • Neuroscience

Background:

  • Attentional models of timing propose that cognitive resources are allocated to temporal processing.
  • Dual-task procedures are used to investigate resource allocation in timing.

Purpose of the Study:

  • To test attentional models of timing in pigeons using a dual-task paradigm.
  • To examine how a secondary task affects duration discrimination in pigeons.

Main Methods:

  • Pigeons were trained on auditory duration discrimination and a variable ratio (VR) schedule.
  • VR tasks were superimposed early (E) or late (L) during timed trials.

Main Results:

  • Pigeons underestimated target durations when the VR task was present, showing more 'short' choices.
  • This underestimation effect was more pronounced when the VR task occurred late (L) versus early (E).

Conclusions:

  • Results align with human data, supporting attentional models of timing.
  • Simultaneous non-timing tasks divert processing resources from timing mechanisms.