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Spatial contiguity facilitates Pavlovian second-order conditioning.

R A Rescorla, C L Cunningham

    Journal of Experimental Psychology. Animal Behavior Processes
    |April 1, 1979
    PubMed
    Summary
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    Spatial contiguity significantly enhances second-order conditioning in pigeons. Spacing stimuli together improves associative learning, suggesting spatially close cues are more readily associated in Pavlovian conditioning.

    Area of Science:

    • Behavioral Neuroscience
    • Animal Cognition
    • Learning and Memory

    Background:

    • Second-order conditioning involves learning associations between stimuli.
    • Spatial relationships between stimuli can influence conditioning.
    • Previous research has explored factors affecting associative learning in animals.

    Purpose of the Study:

    • To investigate the impact of spatial contiguity on second-order conditioning in pigeons.
    • To determine if spatial proximity enhances the formation of associations between stimuli.
    • To assess the generality of spatial contiguity effects across different conditioning paradigms.

    Main Methods:

    • Two experiments were conducted using pigeons.
    • Experiment 1 employed an autoshaping procedure with visual stimuli (S2 and S1).

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  • Experiment 2 utilized a conditioned suppression paradigm, varying spatial relationships between stimuli.

    • Main Results:

    • Second-order conditioning was superior when stimuli (S2 and S1) were spatially contiguous (same key or location).
    • Consistent spatial presentation of S2 and S1 led to better conditioning than variable presentations.
    • Results suggest contiguity aids association formation, not generalization or pseudoconditioning.

    Conclusions:

    • Spatial contiguity plays a crucial role in the formation of second-order conditioning.
    • The facilitative effect of spatial contiguity is observed across different conditioning paradigms and responses.
    • Spatially contiguous stimuli appear to be particularly associable in Pavlovian conditioning.