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Related Experiment Videos

Increased reinforcement when timeout from avoidance includes access to a safe place.

A Baron, R J Dewaard, J Lipson

    Journal of the Experimental Analysis of Behavior
    |May 1, 1977
    PubMed
    Summary
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    Rats preferred a safe place, like a shelf, during timeout periods from shock avoidance. This safe place access significantly increased their motivation and response rates, indicating conditioned reinforcement.

    Area of Science:

    • Behavioral Neuroscience
    • Animal Behavior

    Background:

    • Avoidance learning is a fundamental concept in behavioral psychology.
    • Timeout from an aversive stimulus can function as a reinforcer.

    Purpose of the Study:

    • To investigate the reinforcing value of a safe place during timeout from an avoidance schedule in rats.
    • To determine if stimuli associated with changes in shock rates acquire conditioned reinforcing properties.

    Main Methods:

    • Rats were trained on conjoint schedules involving avoidance of shock and timeout periods.
    • A shelf was introduced into the operant chamber during timeout in some conditions.
    • Response rates and choice behavior were measured under different schedule arrangements.

    Main Results:

    Related Experiment Videos

    • The combination of timeout and a shelf maintained significantly higher response rates compared to baseline avoidance.
    • Rats showed higher response rates in schedule components that included the shelf.
    • The shelf-timeout combination was preferred even when it was shorter than timeout alone.

    Conclusions:

    • Access to a safe place during timeout has strong reinforcing properties.
    • The findings suggest that stimuli associated with changes in shock rates acquire conditioned reinforcing value.
    • This research contributes to understanding the complex mechanisms of reinforcement in avoidance behavior.