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Related Experiment Videos

Bar press and bar release as avoidance responses.

D Meltzer, J E Tiller

    Journal of the Experimental Analysis of Behavior
    |May 1, 1979
    PubMed
    Summary
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    Rats adjusted their bar-pressing behavior based on shock timing. Increasing the press-shock interval slowed responses and increased holding, while increasing the release-shock interval decreased both response rate and holding.

    Area of Science:

    • Behavioral neuroscience
    • Animal behavior

    Background:

    • Understanding operant conditioning requires analyzing response timing and reinforcement schedules.
    • Intervals between actions and consequences significantly influence learned behaviors.

    Purpose of the Study:

    • To investigate how rats modify bar-pressing behavior under different shock-avoidance interval conditions.
    • To determine the impact of press-shock and release-shock intervals on response rate and bar holding.

    Main Methods:

    • Two experiments involving rats trained to press and release a bar to avoid electric shock.
    • Systematic manipulation of the press-shock and release-shock intervals.

    Main Results:

    • Increasing the press-shock interval (while holding release-shock constant) led to decreased response rates and increased bar holding.

    Related Experiment Videos

  • Increasing the release-shock interval (while holding press-shock constant) resulted in decreases in both response rate and bar holding.

    • Conclusions:

    • Response rate and bar holding are sensitive to alterations in both press-shock and release-shock intervals.
    • Rats exhibit distinct behavioral adjustments based on the specific timing parameters of aversive conditioning.