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Related Experiment Videos

Avoidance response rates during a pre-food stimulus in monkeys.

W W Henton

    Journal of the Experimental Analysis of Behavior
    |March 1, 1972
    PubMed
    Summary

    Food pellet delivery timing affects shock avoidance behavior in monkeys. Retrieval responses after pellet delivery increased avoidance, while responses before decreased it, highlighting temporal factors in operant conditioning.

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    Area of Science:

    • Behavioral psychology
    • Animal behavior studies
    • Operant conditioning

    Background:

    • Free-operant avoidance responding is a key behavior studied in animal models.
    • Understanding factors influencing avoidance behavior is crucial for behavioral research.

    Purpose of the Study:

    • To investigate how the timing of food pellet delivery influences avoidance responding in monkeys.
    • To determine the effect of food retrieval response timing relative to pellet delivery on avoidance rates.

    Main Methods:

    • Three monkeys were subjected to a shock avoidance schedule.
    • Avoidance responses were measured during a stimulus terminated by response-independent food pellet presentation.
    • The timing of food retrieval responses relative to pellet delivery was manipulated.

    Main Results:

    • The frequency of avoidance responses was dependent on the method of food pellet delivery.
    • Avoidance rates increased when food retrieval responses followed pellet delivery.
    • Avoidance rates decreased when food retrieval responses preceded pellet delivery.

    Conclusions:

    • The temporal relationship between reinforcement delivery and instrumental responses significantly impacts avoidance behavior.
    • These findings underscore the importance of precise temporal control in operant conditioning paradigms.

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