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Functional relationship between cognitive representations of movement directions and visuomotor adaptation performance

机译：运动方向的认知表征与运动适应能力之间的功能关系

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摘要

The aim of our study was to explore whether or not different types of learners in a sensorimotor task possess characteristically different cognitive representations. Participants’ sensorimotor adaptation performance was measured with a pointing paradigm which used a distortion of the visual feedback in terms of a left–right reversal. The structure of cognitive representations was assessed using a newly established experimental method, the Cognitive Measurement of Represented Directions. A post hoc analysis revealed inter-individual differences in participants’ adaptation performance, and three different skill levels (skilled, average, and poor adapters) have been defined. These differences in performance were correlated with the structure of participants’ cognitive representations of movement directions. Analysis of these cognitive representations revealed performance advantages for participants possessing a global cognitive representation of movement directions (aligned to cardinal movement axes), rather than a local representation (aligned to each neighboring direction). Our findings are evidence that cognitive representation structures play a functional role in adaptation performance.
机译：我们研究的目的是探讨在感觉运动任务中不同类型的学习者是否具有特征上不同的认知表征。参与者的感觉运动适应能力是通过指向范例来衡量的，该范例使用了视觉反馈的左右反转失真。认知表示的结构是使用新建立的实验方法“表示方向的认知测量”来评估的。事后分析显示，参与者的适应能力存在个体差异，并且定义了三种不同的技能水平（熟练，中等和较差的适配器）。这些表现上的差异与参与者对运动方向的认知表示的结构有关。对这些认知表示的分析揭示了参与者具有运动方向的全局认知表示（与基本运动轴对齐）而不是局部表示（与每个相邻方向对齐）的性能优势。我们的发现是认知表征结构在适应表现中发挥功能性作用的证据。

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