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Cultural hemisphericity: evidence from cognitive tests.

A L Thompson, J E Bogen, J F Marsh

    The International Journal of Neuroscience
    |January 1, 1979
    PubMed
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    This study explored cultural differences in appositional abilities using gestalt completion tests. Black individuals and women generally performed better, with performance influenced by stimulus changes.

    Area of Science:

    • Cognitive Psychology
    • Cross-Cultural Psychology
    • Perceptual Psychology

    Background:

    • Appositional ability, the capacity to complete incomplete figures, is influenced by cultural and demographic factors.
    • Previous research indicated ethnic differences in performance on gestalt completion tests.

    Purpose of the Study:

    • To investigate cultural differences in appositional abilities.
    • To examine how stimulus manipulations affect ethnic and gender differences in gestalt completion.
    • To understand the cognitive factors underlying appositional abilities.

    Main Methods:

    • Modified items from two gestalt completion tests.
    • Manipulated stimuli, including background color and presence of details.
    • Compared performance across different ethnic and gender groups.

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    Main Results:

    • Black subjects consistently scored higher than white subjects.
    • Women scored higher than men.
    • These ethnic and gender differences were moderated by specific stimulus manipulations.

    Conclusions:

    • Gestalt completion tests can reveal nuanced cultural and demographic influences on appositional abilities.
    • Stimulus characteristics play a role in modulating cognitive performance across groups.
    • Further research into gestalt completion can illuminate cognitive mechanisms of appositional skills.