Effects of white Gaussian noise on dynamic balance in healthy young adults

Abstract It has been known that short-time auditory stimulation can contribute to the improvement of the balancing ability of the human body. The present study aims to explore the effects of white Gaussian noise (WGN) of different intensities and frequencies on dynamic balance performance in healthy...

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Autores principales:	Ziyou Zhou, Can Wu, Zhen Hu, Yujuan Chai, Kai Chen, Tetsuya Asakawa
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e2b63a331fa5405a992ccf38fad7c7a0
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spelling	oai:doaj.org-article:e2b63a331fa5405a992ccf38fad7c7a02021-12-02T13:33:52ZEffects of white Gaussian noise on dynamic balance in healthy young adults10.1038/s41598-021-84706-82045-2322https://doaj.org/article/e2b63a331fa5405a992ccf38fad7c7a02021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84706-8https://doaj.org/toc/2045-2322Abstract It has been known that short-time auditory stimulation can contribute to the improvement of the balancing ability of the human body. The present study aims to explore the effects of white Gaussian noise (WGN) of different intensities and frequencies on dynamic balance performance in healthy young adults. A total of 20 healthy young participants were asked to stand at a dynamic balance force platform, which swung along the x-axis with an amplitude of ± 4° and frequency of 1 Hz. Their center of pressure (COP) trajectories were recorded when they were stimulated by WGN of different intensities (block 1) and different frequencies (block 2). A traditional method and detrended fluctuation analysis (DFA) were used for data preprocessing. The authors found that only with 75–85 dB WGN, the COP parameters improved. WGN frequency did not affect the dynamic balance performance of all the participants. The DFA results indicated stimulation with 75 dB WGN enhanced the short-term index and reduced the crossover point. Stimulation with 500 Hz and 2500 Hz WGN significantly enhanced the short-term index. These results suggest that 75 dB WGN and 500 Hz and 2500 Hz WGN improved the participants’ dynamic balance performance. The results of this study indicate that a certain intensity of WGN is indispensable to achieve a remarkable improvement in dynamic balance. The DFA results suggest that WGN only affected the short-term persistence, indicating the potential of WGN being considered as an adjuvant therapy in low-speed rehabilitation training.Ziyou ZhouCan WuZhen HuYujuan ChaiKai ChenTetsuya AsakawaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ziyou Zhou Can Wu Zhen Hu Yujuan Chai Kai Chen Tetsuya Asakawa Effects of white Gaussian noise on dynamic balance in healthy young adults
description	Abstract It has been known that short-time auditory stimulation can contribute to the improvement of the balancing ability of the human body. The present study aims to explore the effects of white Gaussian noise (WGN) of different intensities and frequencies on dynamic balance performance in healthy young adults. A total of 20 healthy young participants were asked to stand at a dynamic balance force platform, which swung along the x-axis with an amplitude of ± 4° and frequency of 1 Hz. Their center of pressure (COP) trajectories were recorded when they were stimulated by WGN of different intensities (block 1) and different frequencies (block 2). A traditional method and detrended fluctuation analysis (DFA) were used for data preprocessing. The authors found that only with 75–85 dB WGN, the COP parameters improved. WGN frequency did not affect the dynamic balance performance of all the participants. The DFA results indicated stimulation with 75 dB WGN enhanced the short-term index and reduced the crossover point. Stimulation with 500 Hz and 2500 Hz WGN significantly enhanced the short-term index. These results suggest that 75 dB WGN and 500 Hz and 2500 Hz WGN improved the participants’ dynamic balance performance. The results of this study indicate that a certain intensity of WGN is indispensable to achieve a remarkable improvement in dynamic balance. The DFA results suggest that WGN only affected the short-term persistence, indicating the potential of WGN being considered as an adjuvant therapy in low-speed rehabilitation training.
format	article
author	Ziyou Zhou Can Wu Zhen Hu Yujuan Chai Kai Chen Tetsuya Asakawa
author_facet	Ziyou Zhou Can Wu Zhen Hu Yujuan Chai Kai Chen Tetsuya Asakawa
author_sort	Ziyou Zhou
title	Effects of white Gaussian noise on dynamic balance in healthy young adults
title_short	Effects of white Gaussian noise on dynamic balance in healthy young adults
title_full	Effects of white Gaussian noise on dynamic balance in healthy young adults
title_fullStr	Effects of white Gaussian noise on dynamic balance in healthy young adults
title_full_unstemmed	Effects of white Gaussian noise on dynamic balance in healthy young adults
title_sort	effects of white gaussian noise on dynamic balance in healthy young adults
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e2b63a331fa5405a992ccf38fad7c7a0
work_keys_str_mv	AT ziyouzhou effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults AT canwu effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults AT zhenhu effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults AT yujuanchai effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults AT kaichen effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults AT tetsuyaasakawa effectsofwhitegaussiannoiseondynamicbalanceinhealthyyoungadults
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Effects of white Gaussian noise on dynamic balance in healthy young adults

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