Visuospatial Working Memory Capacity Predicts the Organization of Acquired Explicit Motor Sequences
Visuospatial Working Memory Capacity Predicts the Organization of Acquired Explicit Motor Sequences
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DOI：
10.1152/jn.00006.2009
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发表时间：
2009-06-01
影响因子：
2.5
通讯作者：
Seidler, R. D.
中科院分区：
文献类型：
--
作者：
Bo, J.;Seidler, R. D.
视觉空间工作记忆能力可预测习得的外显运动序列的组织。《神经生理学杂志》101卷：3116 - 3125页，2009年。首次发表于2009年4月8日；doi:10.1152/jn.00006.2009。研究表明，工作记忆和时间控制等认知过程有助于运动序列学习。这些过程与序列学习所涉及的大脑区域有重叠，但一直缺乏确凿的证据。在本研究中，我们确定视觉空间工作记忆能力和时间控制能力的限制是否会影响外显习得的运动序列的时间组织。参与者执行外显序列学习任务、视觉空间工作记忆任务以及连续敲击计时任务。我们发现，视觉空间工作记忆能力，而非计时任务中的变异系数，与运动序列学习的速率以及在习得序列中观察到的组块模式相关。这些结果表明，短期视觉空间工作记忆能力的个体差异，而非时间控制，可预测外显习得的运动序列的时间结构。
Visuospatial working memory capacity predicts the organization of acquired explicit motor sequences. J Neurophysiol 101: 3116-3125, 2009. First published April 8, 2009; doi:10.1152/jn.00006.2009. Studies have suggested that cognitive processes such as working memory and temporal control contribute to motor sequence learning. These processes engage overlapping brain regions with sequence learning, but concrete evidence has been lacking. In this study, we determined whether limits in visuospatial working memory capacity and temporal control abilities affect the temporal organization of explicitly acquired motor sequences. Participants performed an explicit sequence learning task, a visuospatial working memory task, and a continuous tapping timing task. We found that visuospatial working memory capacity, but not the CV from the timing task, correlated with the rate of motor sequence learning and the chunking pattern observed in the learned sequence. These results show that individual differences in short-term visuospatial working memory capacity, but not temporal control, predict the temporal structure of explicitly acquired motor sequences.