Social rewards enhance offline improvements in motor skill.
Social rewards enhance offline improvements in motor skill.
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DOI：
10.1371/journal.pone.0048174
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Sadato N
中科院分区：
文献类型：
--
作者：
Sugawara SK;Tanaka S;Okazaki S;Watanabe K;Sadato N
运动技能记忆在练习中首先以脆弱的形式在线编码，然后通过线下巩固转化为稳定的形式，这是学习成功的关键行为阶段。表扬，一种社会奖励，被认为通过增加动力来促进运动技能的学习，从而导致更多的练习。然而，赞扬对盘整的影响尚不清楚。在这里，我们测试了这样一个假设，即运动训练后的赞扬直接促进了技能的巩固。48名健康的参与者接受了按顺序敲击手指的训练。培训结束后，参与者立即被分成三组，根据他们是否得到了对自己培训表现的赞扬，对另一名参与者的表现的赞扬，或没有得到赞扬。在对学习序列进行意外回忆测试时，那些因自己的表现而受到赞扬的参与者比其他参与者显示出明显更高的线下改善率。另一方面，新序列和随机顺序敲击的平均表现在三个试验组之间没有差异。这些结果首次表明，与赞扬相关的运动技能记忆的改善不是由于反馈-激励机制，而是直接影响到线下巩固过程。
Motor skill memory is first encoded online in a fragile form during practice and then converted into a stable form by offline consolidation, which is the behavioral stage critical for successful learning. Praise, a social reward, is thought to boost motor skill learning by increasing motivation, which leads to increased practice. However, the effect of praise on consolidation is unknown. Here, we tested the hypothesis that praise following motor training directly facilitates skill consolidation. Forty-eight healthy participants were trained on a sequential finger-tapping task. Immediately after training, participants were divided into three groups according to whether they received praise for their own training performance, praise for another participant's performance, or no praise. Participants who received praise for their own performance showed a significantly higher rate of offline improvement relative to other participants when performing a surprise recall test of the learned sequence. On the other hand, the average performance of the novel sequence and randomly-ordered tapping did not differ between the three experimental groups. These results are the first to indicate that praise-related improvements in motor skill memory are not due to a feedback-incentive mechanism, but instead involve direct effects on the offline consolidation process.
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