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Related Experiment Videos

Differential responding as a function of auditory stimulus intensity without differential reinforcement.

S Blue, J G Sherman, R Pierrel

    Journal of the Experimental Analysis of Behavior
    |May 1, 1971
    PubMed
    Summary

    Higher stimulus intensity increased rat bar pressing rates. However, fewer initial auditory stimuli led to more consistent stimulus control, impacting learning.

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    Auditory discrimination: a three-variable analysis of intensity effects.

    Journal of the experimental analysis of behavior·1970

    Area of Science:

    • Behavioral neuroscience
    • Animal behavior

    Background:

    • Stimulus intensity influences behavior.
    • Understanding stimulus control is key in learning.

    Purpose of the Study:

    • To investigate the relationship between auditory stimulus intensity and response rate in rats.
    • To examine how the number of initial stimuli affects the acquisition of stimulus control.

    Main Methods:

    • Rats were trained on a variable-interval schedule.
    • Auditory stimuli of varying intensities (3, 5, or 9) were presented.
    • Response rates were recorded.

    Main Results:

    • A direct relationship was observed between stimulus intensity and response rate.
    • Stimulus control was more consistent when rats were initially trained with fewer stimuli (3) compared to more stimuli (9).

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    Conclusions:

    • Stimulus intensity directly impacts response rates.
    • The number of initial stimuli is critical for establishing reliable stimulus control.
    • Findings relate to stimulus intensity dynamism and learning conditions.