Implicit and explicit motor sequence learning in children born very preterm

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• 作者：Marjolein Jongbloed-Pereboom^a ; ^{m.jongbloed-pereboom@pwo.ru.nl} ; Anjo J.W.M. Janssen^b ; ^{Anjo.Janssen@radboudumc.nl} ; K. Steiner^c ; ^{Katerina.Steiner@radboudumc.nl} ; Bert Steenbergen^a ; ^d ; ^{b.steenbergen@pwo.ru.nl} ; Maria W.G. Nijhuis-van der Sanden^e ; ^{ria.nijhuis-vandersanden@radboudumc.nl}
• 关键词：Motor learning ; Implicit ; Explicit ; Preterm birth ; Working memory
• 刊名：Research in Developmental Disabilities
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：60
• 期：Complete
• 页码：145-152
• 全文大小：699 K
• 卷排序：60

文摘

Motor skills can be learned explicitly (dependent on working memory (WM)) or implicitly (relatively independent of WM). Children born very preterm (VPT) often have working memory deficits. Explicit learning may be compromised in these children.AimsThis study investigated implicit and explicit motor learning and the role of working memory in VPT children and controls.MethodsThree groups (6–9 years) participated: 20 VPT children with motor problems, 20 VPT children without motor problems, and 20 controls. A nine button sequence was learned implicitly (pressing the lighted button as quickly as possible) and explicitly (discovering the sequence via trial-and-error).ResultsChildren learned implicitly and explicitly, evidenced by decreased movement duration of the sequence over time. In the explicit condition, children also reduced the number of errors over time. Controls made more errors than VPT children without motor problems. Visual WM had positive effects on both explicit and implicit performance.ConclusionVPT birth and low motor proficiency did not negatively affect implicit or explicit learning. Visual WM was positively related to both implicit and explicit performance, but did not influence learning curves. These findings question the theoretical difference between implicit and explicit learning and the proposed role of visual WM therein.