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学科主题临床医学
Noise Stimuli Improve the Accuracy of Target Aiming: Possible Involvement of Noise-Enhanced Balance Control
Zhou, J.1; Bao, D.2; Zhang, J.1; Zhou, D.3,4; Fang, J.1; Hu, Y.2
关键词Balance stability Vibrating insole Aiming performance Complexity analysis Multiscale entropy
刊名EXPERIMENTAL MECHANICS
2014
DOI10.1007/s11340-013-9728-3
54期:1页:95-100
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Materials Science, Multidisciplinary ; Mechanics ; Materials Science, Characterization & Testing
研究领域[WOS]Materials Science ; Mechanics
关键词[WOS]HEART-RATE ; FLUCTUATIONS ; COMPLEXITY ; DYNAMICS
英文摘要

Balance stability is important for human beings. Previous studies have shown that mechanical noise applied to the soles of the feet via vibrating insoles can improve human balance control. In this study we designed an experimental procedure called standard aiming target test to quantitatively evaluate the effect of vibrating insole on specific task of aiming during standing. Ten subjects were asked to aim at a target sheet using laser gun, and the traces of their aimed light spots and the center of pressure (COP) were recorded simultaneously. The same test was repeated twice for each individual with vibrating insole off and on, respectively. To assess dynamic patterns in aiming spot and COP signals, we calculated the entropies in the magnitude increments of both signals at different time scales, i.e., multiscale entropies (MSE).We found that the vibrating insole significantly improved the aiming performance and led to increased entropy in the fluctuations of aiming spot displacement over a range of time scales from 0.001 to 0.05 s. In addition, subjects with larger entropies in the aiming spot fluctuations had better aiming performances. Furthermore, we found that the entropy of the light spot signal was positively correlated with the entropy of the magnitude time series of COP fluctuations. These results suggest that vibrating insoles is beneficial for the complex postural control process during target aiming, possibly via their dynamic influences on the balance regulatory system.

语种英语
WOS记录号WOS:000330633100011
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/63563
专题北京大学第二临床医学院
作者单位1.Peking Univ, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
2.Beijing Sport Univ, Sport Sci Res Ctr, Beijing 100084, Peoples R China
3.Peking Univ, Peoples Hosp, Arthrit Clin, Beijing 100044, Peoples R China
4.Peking Univ, Peoples Hosp, Res Ctr, Beijing 100044, Peoples R China
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GB/T 7714
Zhou, J.,Bao, D.,Zhang, J.,et al. Noise Stimuli Improve the Accuracy of Target Aiming: Possible Involvement of Noise-Enhanced Balance Control[J]. EXPERIMENTAL MECHANICS,2014,54(1):95-100.
APA Zhou, J.,Bao, D.,Zhang, J.,Zhou, D.,Fang, J.,&Hu, Y..(2014).Noise Stimuli Improve the Accuracy of Target Aiming: Possible Involvement of Noise-Enhanced Balance Control.EXPERIMENTAL MECHANICS,54(1),95-100.
MLA Zhou, J.,et al."Noise Stimuli Improve the Accuracy of Target Aiming: Possible Involvement of Noise-Enhanced Balance Control".EXPERIMENTAL MECHANICS 54.1(2014):95-100.
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