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DOI10.1038/s41467-017-00656-8
Dissociable cognitive strategies for sensorimotor learning
McDougle, Samuel D.1; Taylor, Jordan A.2,3
2019-01-03
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
出版年2019
卷号10
文章类型Article
语种英语
国家USA
英文摘要

Computations underlying cognitive strategies in human motor learning are poorly understood. Here we investigate such strategies in a common sensorimotor transformation task. We show that strategies assume two forms, likely reflecting distinct working memory representations: discrete caching of stimulus-response contingencies, and time-consuming parametric computations. Reaction times and errors suggest that both strategies are employed during learning, and trade off based on task complexity. Experiments using pressured preparation time further support dissociable strategies: In response caching, time pressure elicits multi-modal distributions of movements; during parametric computations, time pressure elicits a shifting distribution of movements between visual targets and distal goals, consistent with analog re-computing of a movement plan. A generalization experiment reveals that discrete and parametric strategies produce, respectively, more localized or more global transfer effects. These results describe how qualitatively distinct cognitive representations are leveraged for motor learning and produce downstream consequences for behavioral flexibility.


领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000454757200005
WOS关键词WORKING-MEMORY CAPACITY ; MENTAL ROTATION ; MOVEMENT PREPARATION ; VISUOMOTOR ; ADAPTATION ; EXPLICIT ; IMPLICIT ; CORTEX ; INFORMATION ; DIRECTION
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/203429
专题资源环境科学
作者单位1.Univ Calif Berkeley, Dept Psychol, 2121 Berkeley Way, Berkeley, CA 94704 USA;
2.Princeton Univ, Dept Psychol, Peretsman Scully Hall, Princeton, NJ 08540 USA;
3.Princeton Univ, Princeton Neurosci Inst, Peretsman Scully Hall, Princeton, NJ 08540 USA
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GB/T 7714
McDougle, Samuel D.,Taylor, Jordan A.. Dissociable cognitive strategies for sensorimotor learning[J]. NATURE COMMUNICATIONS,2019,10.
APA McDougle, Samuel D.,&Taylor, Jordan A..(2019).Dissociable cognitive strategies for sensorimotor learning.NATURE COMMUNICATIONS,10.
MLA McDougle, Samuel D.,et al."Dissociable cognitive strategies for sensorimotor learning".NATURE COMMUNICATIONS 10(2019).
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