Frequência e precisão de "feedback" e o processo adaptativo de aprendizagem de uma tarefa motora de dupla demanda

C. Júnior, J. Maia, Go Tani
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引用次数: 1

Abstract

This work investigated the effects of frequency and precision of feedback on the learning of a dual-motor task. One hundred and twenty adults were randomly assigned to six groups of different knowledge of results (KR), frequency (100%, 66% or 33%) and precision (specific or general) levels. In the stabilization phase, participants performed the dual task (combination of linear positioning and manual force control) with the provision of KR. Ten non-KR adaptation trials were performed for the same task, but with the introduction of an electromagnetic opposite traction force. The analysis showed a significant main effect for frequency of KR. The participants who received KR in 66% of the stabilization trials showed superior adaptation performance than those who received 100% or 33%. This finding reinforces that there is an optimal level of information, neither too high nor too low, for motor learning to be effective.
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反馈的频率和准确性以及双需求运动任务的适应学习过程
本研究探讨了反馈频率和精度对双运动任务学习的影响。120名成年人被随机分为6组,分别为结果知识(KR)、频率(100%、66%或33%)和精度(特定或一般)水平。在稳定阶段,参与者在提供KR的情况下完成了双重任务(线性定位和手动力控制的组合)。在相同的任务中进行了10次非KR适应试验,但引入了电磁相反的牵引力。分析表明,在66%的稳定试验中接受KR的参与者比接受100%或33%的稳定试验的参与者表现出更好的适应表现。这一发现强化了这样一种观点:要使运动学习有效,存在一个既不过高也不过低的最佳信息水平。
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1
审稿时长
16 weeks
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