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Related Experiment Videos

Is there a "best hand" for braille?

S Millar

    Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
    |March 1, 1984
    PubMed
    Summary

    Hand preference in Braille reading is not fixed. For blind children, the best hand for Braille tasks depends on task demands, individual strategies, and reading proficiency, not just absolute skill level.

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    Area of Science:

    • Neuroscience
    • Developmental Psychology
    • Educational Psychology

    Background:

    • Lateral differences in sensory and motor tasks are well-documented.
    • Understanding hand advantages in Braille reading is crucial for educational interventions for blind children.
    • Previous research has not definitively established whether hand preference in Braille is absolute or context-dependent.

    Purpose of the Study:

    • To investigate lateral differences in Braille tasks among predominantly right-handed blind children.
    • To examine how hand advantages in Braille tasks vary with absolute and relative reading proficiency.
    • To determine the influence of task demands and individual strategies on hand preference in Braille reading.

    Main Methods:

    • Two experiments were conducted with predominantly right-handed blind children.
    • Experiment 1 assessed hand performance in letter discrimination and naming tasks, correlating with reading proficiency.
    • Experiment 2 evaluated performance in tasks requiring lateral movements using one versus two hands for Braille reading.

    Main Results:

    • Hand advantages did not consistently change with absolute proficiency levels in letter discrimination, naming, or word reading.
    • Relative reading proficiency influenced hand advantage: retarded readers were faster with the left hand in letter discrimination, while adequate readers were faster with the right hand in letter naming.
    • Two-handed Braille reading was superior for tasks involving lateral movements, regardless of reading proficiency.

    Conclusions:

    • There is no single 'best hand' for Braille reading.
    • Lateral advantages in Braille are determined by the interplay between specific task demands, individual strategy preferences, and reading habits.
    • Findings suggest a flexible approach to hand use in Braille literacy instruction based on task and individual factors.

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