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Conditioned suppression of an avoidance response.

H M Hurwitz, A E Roberts

    Journal of the Experimental Analysis of Behavior
    |September 1, 1971
    PubMed
    Summary
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    This study on avoidance learning found that signals preceding shock increased shock rates, regardless of response changes. Unavoided shock rates were higher during signaled periods and generally above training levels.

    Area of Science:

    • Behavioral neuroscience
    • Animal behavior
    • Learning and memory

    Background:

    • Operant conditioning involves learning through consequences.
    • Avoidance learning paradigms are crucial for understanding fear and anxiety.
    • Signal-shock procedures investigate the role of predictive cues in behavior.

    Purpose of the Study:

    • To examine the impact of signaled shock on avoidance behavior.
    • To quantify changes in response rates and shock frequency.
    • To assess the influence of shock intensity on these effects.

    Main Methods:

    • Utilized a free-operant avoidance schedule with signaled shock presentations.
    • Measured response rates before and during signals.
    • Recorded rates of unavoided shock in signaled and unsignaled periods.

    Related Experiment Videos

  • Employed three different shock intensities.

    • Main Results:

    • Observed both response enhancement and suppression.
    • Shock rates significantly increased during signaled periods compared to unsignaled periods.
    • Shock rates in unsignaled periods exceeded those during initial training.

    Conclusions:

    • Signal presentation reliably increased shock exposure.
    • Behavioral responses did not fully mitigate the increased shock risk during signaled periods.
    • The findings highlight the complex interplay between signals, shock, and avoidance behavior.