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Transitive Inference Remains Despite Overtraining on Premise Pair C+D.

Héctor O Camarena1, Oscar García-Leal1, José E Burgos1

  • 1Center for Studies and Investigations in Behavior, University of Guadalajara, Guadalajara, Mexico.

Frontiers in Psychology
|October 19, 2018
PubMed
Summary

Pigeons demonstrated transitive inference (TI) by inferring relationships between stimuli. Reinforcement contingencies influenced training performance but did not alter the established transitive inference capabilities.

Keywords:
bias reversalovertrainingreinforcementtransitive inferencevalue transfer

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Area of Science:

  • Cognitive psychology
  • Animal behavior
  • Comparative cognition

Background:

  • Transitive inference (TI) involves inferring unpresented relationships between stimuli.
  • TI has been observed in various species, including pigeons, but underlying mechanisms are debated.
  • Previous studies utilized diverse training methods to establish TI.

Purpose of the Study:

  • To investigate the mechanisms of transitive inference in pigeons.
  • To examine the impact of reinforcement contingencies on TI performance.
  • To differentiate between training performance and TI itself.

Main Methods:

  • Pigeons were trained using a transitive inference procedure with four premises (A>B, B>C, C>D, D>E).
  • Testing involved assessing preferences between non-adjacent stimuli (e.g., B vs. D).
  • Overtraining on specific stimulus pairs (C+D-) was employed to assess its effect on TI.

Main Results:

  • Pigeons consistently preferred B over D, demonstrating successful TI.
  • Overtraining C+D- did not disrupt the established TI preference for B over D.
  • Training performance, specifically the serial position effect, was altered by overtraining, but TI remained intact.

Conclusions:

  • Reinforcement contingencies can modulate training performance without affecting transitive inference.
  • Value transfer and reinforcement contingencies are potential mechanisms underlying TI.
  • TI appears robust to manipulations that alter general training performance in pigeons.