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Stimulus properties of conspecific behavior.

W J Millard

    Journal of the Experimental Analysis of Behavior
    |November 1, 1979
    PubMed
    Summary

    Bird behavior can be controlled by another bird's actions. Visual cues from a conspecific bird are critical for this learned discrimination, even generalizing to unfamiliar birds.

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    Area of Science:

    • Behavioral science
    • Animal cognition
    • Comparative psychology

    Background:

    • Social learning is crucial for many species.
    • Understanding how one animal's behavior influences another's is key to social behavior research.
    • Previous research has explored observational learning, but the precise mechanisms of discriminative control by conspecifics require further elucidation.

    Purpose of the Study:

    • To investigate the conditions under which one bird's behavior can exert discriminative control over another bird's behavior.
    • To determine the role of visual conspecific stimuli in establishing and maintaining this inter-bird behavioral control.
    • To examine the generalization of this learned control to novel social contexts.

    Main Methods:

    • Two experiments utilized pigeons (Columba livia) in a successive discrimination task.
    • A "stimulus" bird's schedule-controlled behavior was correlated with components of a multiple schedule controlling the "experimental" bird's food-reinforced pecking.
    • Control conditions assessed the necessity of the systematic relationship between stimuli and reinforcement schedules, and test conditions evaluated specific factors like reinforcement properties and stimulus modality.

    Main Results:

    • Pigeons successfully acquired successive discriminations and reversals based on conspecific visual stimuli.
    • Differential responding by the experimental bird occurred only when a systematic relationship existed between the stimulus bird's behavior and the reinforcement schedule.
    • The discrimination was dependent on visual conspecific stimuli and generalized to unfamiliar conspecifics, but not to reinforcement properties or temporal interrelations alone.

    Conclusions:

    • Visual cues from a conspecific bird can establish discriminative control over another bird's behavior.
    • This control is maintained by the correlation between the stimulus bird's behavior and the reinforcement contingencies for the experimental bird.
    • The findings highlight the importance of visual social stimuli in learned behavioral regulation and demonstrate rapid generalization of such control.

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