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Related Experiment Videos

Reinforcement contingencies and signal detection

J A Nevin, P Jenkins, S Whittaker

    Journal of the Experimental Analysis of Behavior
    |January 1, 1982
    PubMed
    Summary

    Pigeons

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    Area of Science:

    • Behavioral neuroscience
    • Animal cognition

    Background:

    • Pigeons can discriminate between temporal stimuli.
    • Signal-detection procedures are used to study animal perception.

    Purpose of the Study:

    • To investigate how reinforcement allocation affects temporal discrimination in pigeons.
    • To examine the relationship between reinforcement rate and discrimination accuracy.

    Main Methods:

    • Pigeons were trained in a discrete-trial signal-detection task.
    • Reinforcer allocation for correct responses and errors was systematically varied.
    • Overall reinforcement rates were manipulated in a second experiment.

    Main Results:

    • Symmetrical reinforcement for errors decreased discrimination accuracy.
    • Asymmetrical reinforcement had less systematic effects on discrimination.
    • Higher overall reinforcement rates correlated with better discrimination.

    Conclusions:

    • Reinforcement contingencies significantly influence temporal discrimination in pigeons.
    • The probability of reinforcement for correct responses versus errors is a key factor.

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