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Spatial integration during performance in pigeons.

Aaron P Blaisdell1, Julia E Schroeder1, Cynthia D Fast2

  • 1Department of Psychology, University of California, Los Angeles, CA, USA.

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|December 25, 2017
PubMed
Summary
This summary is machine-generated.

Pigeons can combine spatial maps without shared elements, demonstrating associative learning. Landmark proximity influences spatial choice, with more proximal landmarks dominating, revealing associative control in spatial cognition.

Keywords:
Learning-performance distinctionPigeonsSpatial integrationSpatial learning

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Area of Science:

  • Cognitive psychology
  • Animal behavior
  • Neuroscience

Background:

  • Pigeons can integrate spatial maps, but integration typically requires a shared element between maps.
  • Previous research has not fully explored how pigeons combine spatial information when no shared element is present.

Purpose of the Study:

  • To investigate spatial combination rules in pigeons when no shared element is present between separately acquired spatial maps.
  • To determine if landmarks collaborate in guiding spatial choice and if performance overshadowing effects are associative.

Main Methods:

  • Two experiments using a spatial-search task in pigeons.
  • Pigeons learned individual landmark-target maps, followed by tests with combined landmarks.
  • Landmark extinction procedures were used to assess associative control.

Main Results:

  • Landmarks collaborated in guiding spatial choice when presented together.
  • A performance overshadowing effect was observed, with the more proximal landmark exerting stronger control.
  • Extinction of the proximal landmark shifted spatial control to the distal landmark, indicating associative learning.

Conclusions:

  • Pigeons can integrate spatial maps even without a shared element, relying on associative learning.
  • Performance overshadowing in spatial tasks is associative, not due to perceptual or spatial biases.
  • These findings highlight the role of associative processes in spatial cognition and decision-making.