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Reversed memory coding and symbol reversal in children.

J F Curley, M A Hogan

    Perceptual and Motor Skills
    |April 1, 1983
    PubMed
    Summary
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    This study investigated mirror-reversed memory coding in 7-year-old boys. While bilateral processing aided visual tasks, insufficient evidence supported a mirror-reversed memory code confusion between cerebral hemispheres.

    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Developmental Psychology

    Background:

    • The study explores the hypothesized mirror-reversed memory-coding phenomenon.
    • This phenomenon suggests confusion between aligned and mirror-reversed memory records in opposite cerebral hemispheres.

    Purpose of the Study:

    • To examine if children confuse mirror-reversed and aligned memory codes.
    • To investigate hemispheric processing of visual stimuli in children with varying mirror-image confusion tendencies.

    Main Methods:

    • Two groups of 7-year-old boys, categorized by their tendency to confuse mirror and aligned symbols, participated.
    • Participants discriminated between same/different letter pairs, presented simultaneously to the right, left, or both cerebral hemispheres.
    • Stimuli were either aligned or mirror-reversed.

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    Main Results:

    • The group prone to confusing mirror images exhibited slower reaction times across all conditions.
    • Simultaneous bilateral presentation of stimuli facilitated visual-perceptual tasks for both groups.
    • Evidence was insufficient to confirm a mirror-reversed code confusion between hemispheres.

    Conclusions:

    • Children with mirror-image confusion tendencies show slower visual processing.
    • Adequate hemispheric integration for visual-perceptual tasks is present even in children with mirror-image confusion.
    • Further research with delayed stimuli and varied age groups is needed to clarify hemispheric coding ambiguities.