单次小脑阳极经颅直流电刺激对健康志愿者静态和动态平衡的急性影响。

Acute Effect of Single-Session Cerebellar Anodal Transcranial Direct Current Stimulation on Static and Dynamic Balance in Healthy Volunteers.

作者信息

Erdoğan Ezgi Tuna, Kır Can, Beycan Esin, Karakaya Esin, Altınçınar Sanem, Bayramoğlu Türkü, Eskikurt Gökçer, Karamürsel Sacit

机构信息

Department of Physiology, Koç University School of Medicine, 34450 Istanbul, Turkey .

Innovative Center for Applied Neurosciences, Faculty of Medicine, Istinye University, 34010 Istanbul, Turkey.

出版信息

Brain Sci. 2023 Jul 21;13(7):1107. doi: 10.3390/brainsci13071107.

Abstract

Several studies have shown the positive effect of cerebellar transcranial direct current stimulation (ctDCS) on balance in patients and older adults. However, in healthy volunteers, the results are conflicting. We aimed to investigate the immediate effect of anodal ctDCS on the dynamic-static balance in healthy, non-athletic young adults due to the possible benefits for sports performance. Twenty-one healthy volunteers participated in two consecutive 20 min sessions of ctDCS (2 mA current intensity), with 1-week intervals (anodal ctDCS-sham ctDCS). Flamingo and Y-Balance tests were used to evaluate the static and dynamic balances before and after the ctDCS. A Continuous Performance Test (CPT) was used to evaluate the changes in sustained attention, impulsivity, and vigilance. A repeated measure analysis of variance (ANOVA) was used to compare the changes in balance scores, reaction time, omission, and commission numbers. There were no statistically significant differences in dynamic and static balance scores and in CPT parameters between conditions. In conclusion, there was no immediate neuromodulation effect of anodal ctDCS to improve balance performance in healthy, young individuals. Furthermore, no evidence was found to support the use of cerebellar tDCS to improve sports performance.

摘要

多项研究表明,小脑经颅直流电刺激(ctDCS)对患者和老年人的平衡能力有积极影响。然而,在健康志愿者中,结果却相互矛盾。由于对运动表现可能有益,我们旨在研究阳极ctDCS对健康、非运动员年轻成年人动态-静态平衡的即时影响。21名健康志愿者连续参加了两次20分钟的ctDCS治疗(电流强度2 mA),间隔1周(阳极ctDCS-假ctDCS)。使用火烈鸟测试和Y平衡测试来评估ctDCS前后的静态和动态平衡。使用连续性能测试(CPT)来评估持续注意力、冲动性和警觉性的变化。采用重复测量方差分析(ANOVA)来比较平衡分数、反应时间、遗漏和错误数量的变化。不同条件下的动态和静态平衡分数以及CPT参数之间没有统计学上的显著差异。总之,阳极ctDCS对改善健康年轻个体的平衡表现没有即时神经调节作用。此外,没有证据支持使用小脑经颅直流电刺激来提高运动表现。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/808e/10377200/215905f5a47f/brainsci-13-01107-g001.jpg

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