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Conditioned reinforcement by conditional discriminative stimuli.

A Ohta1

  • 1Department of Psychology, Faculty of Letters, Kyoto University, Japan.

Journal of the Experimental Analysis of Behavior
|March 1, 1988
PubMed
Summary
This summary is machine-generated.

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Shortening the delay to color stimuli increased conditioned reinforcement in pigeons. This suggests that information about outcome relationships, signaled by these stimuli, enhances reinforcement strength.

Area of Science:

  • Behavioral Psychology
  • Animal Cognition

Background:

  • Conditioned reinforcement is crucial for understanding complex behavior.
  • The role of temporal factors in discriminative stimulus effectiveness is not fully understood.

Purpose of the Study:

  • To investigate how delays to conditional discriminative stimuli influence conditioned reinforcement strength in pigeons.
  • To explore the informational role of stimuli in mediating reinforcement.

Main Methods:

  • A concurrent-chains schedule was employed with pigeons performing key-peck responses.
  • Terminal links involved successive conditional discriminations with varying delays to color and line stimuli.
  • Response rates were compared across different delay conditions.

Main Results:

Related Experiment Videos

  • Pigeons showed higher initial-link response rates when the delay to the color stimulus was shorter.
  • A preference for the shorter delay condition was observed, indicating greater reinforcement effectiveness.
  • Results suggest that earlier presentation of discriminative stimuli enhances their reinforcing properties.

Conclusions:

  • Delay to conditional discriminative stimuli significantly impacts conditioned reinforcement strength.
  • Information provided by stimuli about outcome contingencies plays a key role in reinforcement.
  • Findings contribute to understanding the mechanisms of learned reinforcement and stimulus control.