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Semantics affect the planning but not control of grasping

机译：语义影响规划，但不影响控制

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摘要

The semantic meaning of a word label printed on an object can have significant effects on the kinematics of reaching and grasping movements directed towards that object. Here, we examined how the semantics of word labels might differentially affect the planning and control stages of grasping. Subjects were presented with objects on which were printed either the word “LARGE” or “SMALL.” When the grip aperture in the two conditions was compared, an effect of the words was found early in the reach, but this effect declined continuously as the hand approached the target. This continuously decreasing effect is consistent with a planning/control model of action, in which cognitive and perceptual variables affect how actions are planned but not how they are monitored and controlled on-line. The functional and neurological bases of semantic effects on planning and control are discussed.
机译：印在物体上的单词标签的语义可能对达到和掌握指向该物体的运动的运动学产生重大影响。在这里，我们研究了单词标签的语义可能如何差异地影响抓取的计划和控制阶段。向对象展示的对象上印有单词“大”或“小”。比较两种情况下的握持孔，可以尽早发现单词的效果，但是随着手靠近目标，效果逐渐下降。这种持续下降的影响与行动的计划/控制模型相一致，在该模型中，认知和知觉变量会影响行动的计划方式，但不会影响在线监视和控制的方式。讨论了语义对计划和控制的功能和神经基础。

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