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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Midline crossing: developmental trend from 3 to 10 years of age in a preferential card-reaching task.
    Author: Carlier M, Doyen AL, Lamard C.
    Journal: Brain Cogn; 2006 Aug; 61(3):255-61. PubMed ID: 16513237.
    Abstract:
    We assessed 110 left-handed and 322 right-handed children aged from 3 to 10 years, using Bishop's card-reaching task. Manual body midline crossings were observed. A regular developmental trend was observed from 3 to 10 years: older children crossed the body midline more frequently when reaching for cards than did younger children. The factor age explained 4.9% of the variance. Significant differences appeared between 3-4 years old children and 8-10 years old children. The effect of the spatial position of the cards was also significant: the contralateral hand was used less often to reach cards at the most extreme positions. These findings in this task demonstrate that the development of the degree of handedness follows a long developmental trend.
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