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首页> 外文期刊>Brain and cognition >Which factors affect hand selection in children's grasping in hemispace? Combined effects of task demand and motor dominance
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Which factors affect hand selection in children's grasping in hemispace? Combined effects of task demand and motor dominance

机译：哪些因素会影响儿童在半空间抓握中的手选择？任务需求和运动优势的综合影响

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摘要

Sixty-five right- and left-handed preschool and school children were tested on three reach-to-grasp tasks of different levels of complexity, performed in three space locations. Our goal was to evaluate how the effect of attentional information related to object location interacts with task complexity and degree of handedness on children's hand selection. Results revealed a shift to the non-preferred hand in the contralateral hemispace, which was more or less pronounced according to the level of task complexity. The subject's degree of handedness also influenced this shift, since strongly lateralized children exhibited a greater use of their preferred hand than less lateralized ones for actions in the contralateral hemispace. These findings confirm that hand selection is to some extent adaptable to task demand and environmental context.
机译：对六十五名左右手的学龄前儿童和中小学生进行了三个复杂程度不同的可触及到的任务的测试，这些任务在三个空间位置执行。我们的目标是评估与对象位置相关的注意信息的影响如何与任务的复杂性和手感程度对儿童的选拔行为相互作用。结果显示，对侧半空间移向了非首选手，根据任务复杂程度的不同，这一点或多或少明显。受测者的惯性程度也影响了这种转变，因为在对侧半空间进行动作时，强侧偏儿童表现出比偏侧偏少的孩子更多地使用他们偏爱的手。这些发现证实了人工选择在一定程度上适合任务需求和环境。

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