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Left Hand Dominance Affects Supra-Second Time Processing

机译:左手优势影响超第二时间处理

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摘要

Previous studies exploring specific brain functions of left- and right-handed subjects have shown variances in spatial and motor abilities that might be explained according to consistent structural and functional differences. Given the role of both spatial and motor information in the processing of temporal intervals, we designed a study aimed at investigating timing abilities in left-handed subjects. To this purpose both left- and right-handed subjects were asked to perform a time reproduction of sub-second vs. supra-second time intervals with their left and right hand. Our results show that during processing of the supra-second intervals left-handed participants sub-estimated the duration of the intervals, independently of the hand used to perform the task, while no differences were reported for the sub-second intervals. These results are discussed on the basis of recent findings on supra-second motor timing, as well as emerging evidence that suggests a linear representation of time with a left-to-right displacement.
机译:以前研究左撇子和右撇子的特定大脑功能的研究表明,空间和运动能力的差异可以根据一致的结构和功能差异来解释。考虑到空间和运动信息在时间间隔的处理中的作用,我们设计了一项研究,旨在研究惯用左手受试者的计时能力。为此,左撇子和右撇子都被要求用左手和右手进行亚秒与超秒时间间隔的时间再现。我们的结果表明,在处理超秒间隔时,惯用左手的参与者会低估间隔的持续时间,而与执行任务的手无关,而没有报告亚秒间隔的差异。这些结果的讨论是基于最近关于超秒运动计时的发现,以及新兴证据表明从左到右的位移线性表示时间。

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