Intra-and inter-hemispheric tactile identification matching in young children

概要

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The present study was conducted to examine the developmental changes of hemispheric specialization and integration in young children. A Handedness Inventory and Intra-/Intermanual Tactile Identification Matching Test were given to each of 29 five years old children. The results showed that in the Intra-manual Matching condition, the performance level of the right-handers was higher than that of the ambidextrous group. In the right-handers, the left hand's performance was superior to that of the right hand in boys, whereas girls showed no hand difference. In children of ambidextrous, no hand difference was shown between boys and girls. In the Inter-manual Matching condition for the right-handers, boys made fewer errors in left hand first matching condition than in the right hand first matching condition, while girls showed no such difference. For the ambidextrous group, there was no difference between two conditions in both sexes. Based on these results, hemispheric specialization and integration in young children were discussed.
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