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Related Experiment Videos

Types of responding in a signal-detection task.

B Alsop, R Rowley

    Journal of the Experimental Analysis of Behavior
    |May 1, 1996
    PubMed
    Summary

    Pigeon choice speed influences decision-making. Faster responses showed greater bias from reward schedules, suggesting response latency is key in behavioral models.

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    Area of Science:

    • * Cognitive psychology
    • * Animal behavior
    • * Behavioral neuroscience

    Background:

    • * Understanding decision-making processes in animals is crucial for behavioral science.
    • * Reinforcer distributions significantly impact choice behavior, but the role of response speed is less understood.

    Purpose of the Study:

    • * To investigate how response latency (choice speed) affects performance in a visual discrimination task in pigeons.
    • * To examine the interaction between reinforcer distribution and response speed on discriminability and response bias.

    Main Methods:

    • * Four pigeons were trained on a two-alternative forced-choice task involving line orientation discrimination.
    • * Varying schedules of reinforcement were used across conditions.
    • * Performance metrics, including discriminability, response bias, and choice latency, were analyzed, with data split by response speed.

    Main Results:

    • * Discriminability between stimuli was not affected by choice response latency.
    • * Variations in reinforcer distributions led to larger response biases in faster responses compared to slower responses.
    • * Responses following a reinforcer were faster and more influenced by the reinforcer distribution.

    Conclusions:

    • * Response speed is a critical factor that modulates the influence of reward schedules on choice behavior.
    • * Behavioral models of signal detection should incorporate response latency to accurately capture decision-making processes.

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