通过多次在线高清经颅直流电刺激加强健康成年人的运动技能学习:脑电图功率谱的启示。

IF 2.9 2区 医学 Q2 NEUROSCIENCES Cerebral cortex Pub Date : 2024-10-03 DOI:10.1093/cercor/bhae395
Feng Guo, Maolin Niu, Nicholas J Hanson, Jianrui Guo, Kuo Zhou, Tan Zhao, Yinghui Ren
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引用次数: 0

摘要

本研究旨在评估高清晰度经颅直流电刺激(HD-tDCS)对手指运动技能学习的影响。31名健康成年男性被随机分配到三组中的一组:在线HD-tDCS组(在运动技能学习期间进行)、离线HD-tDCS组(在运动技能学习之前进行)和假组。参与者连续三天进行视觉等长捏拿任务。采用整体运动技能学习和速度-准确性权衡功能来评估 tDCS 的疗效。研究人员记录了脑电图并计算了功率谱密度。在线和离线 HD-tDCS 组的总运动技能习得率均显著高于假组(P
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Enhancing motor skill learning through multiple sessions of online high-definition transcranial direct current stimulation in healthy adults: insights from EEG power spectrum.

The purpose of this study was to evaluate the influence of high-definition transcranial direct current stimulation (HD-tDCS) on finger motor skill acquisition. Thirty-one healthy adult males were randomly assigned to one of three groups: online HD-tDCS (administered during motor skill learning), offline HD-tDCS (delivered before motor skill learning), and a sham group. Participants engaged in a visual isometric pinch task for three consecutive days. Overall motor skill learning and speed-accuracy tradeoff function were used to evaluate the efficacy of tDCS. Electroencephalography was recorded and power spectral density was calculated. Both online and offline HD-tDCS total motor skill acquisition was significantly higher than the sham group (P < 0.001 and P < 0.05, respectively). Motor skill acquisition in the online group was higher than offline (P = 0.132, Cohen's d = 1.46). Speed-accuracy tradeoff function in the online group was higher than both offline and sham groups in the post-test. The online group exhibited significantly lower electroencephalography activity in the frontal, fronto-central, and centro-parietal alpha band regions compared to the sham (P < 0.05). The findings suggest that HD-tDCS application can boost finger motor skill acquisition, with online HD-tDCS displaying superior facilitation. Furthermore, online HD-tDCS reduces the power of alpha rhythms during motor skill execution, enhancing information processing and skill learning efficiency.

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来源期刊
Cerebral cortex
Cerebral cortex 医学-神经科学
CiteScore
6.30
自引率
8.10%
发文量
510
审稿时长
2 months
期刊介绍: Cerebral Cortex publishes papers on the development, organization, plasticity, and function of the cerebral cortex, including the hippocampus. Studies with clear relevance to the cerebral cortex, such as the thalamocortical relationship or cortico-subcortical interactions, are also included. The journal is multidisciplinary and covers the large variety of modern neurobiological and neuropsychological techniques, including anatomy, biochemistry, molecular neurobiology, electrophysiology, behavior, artificial intelligence, and theoretical modeling. In addition to research articles, special features such as brief reviews, book reviews, and commentaries are included.
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