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Related Experiment Videos

Discriminability between alternatives in a switching-key concurrent schedule.

B Alsop, M Davison

    Journal of the Experimental Analysis of Behavior
    |January 1, 1992
    PubMed
    Summary

    Pigeons learned to match light stimuli to concurrent schedules, demonstrating high discriminability. Introducing delays between schedules and matching phases affected performance similarly, leading to more indifferent choices.

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    Area of Science:

    • Behavioral psychology
    • Animal cognition

    Background:

    • Symbolic matching-to-sample procedures are used to study choice behavior.
    • Concurrent schedules of reinforcement are fundamental in understanding decision-making.

    Purpose of the Study:

    • To investigate how pigeons perform under switching-key concurrent schedules signaled by light stimuli.
    • To examine the impact of delays on both concurrent schedule performance and symbolic matching-to-sample accuracy.

    Main Methods:

    • Six pigeons were trained on symbolic matching-to-sample with light stimuli.
    • These stimuli signaled concurrent schedules in a switching-key paradigm.
    • Delays were introduced between concurrent schedule completion and subsequent matching phases.

    Main Results:

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    • High discriminability between light stimuli was maintained throughout the experiment.
    • Concurrent schedule performance mirrored typical findings for these schedules.
    • A 10-second delay similarly impacted concurrent schedule and matching performance, increasing indifference.

    Conclusions:

    • Pigeons can effectively use symbolic stimuli to manage concurrent schedules.
    • Temporal delays between choice and memory phases influence decision-making in pigeons.
    • Findings contribute to understanding choice behavior and memory in animal models.