Effects of multisensory stimulation intervention based on white noise on postural control in healthy adults(PDF)
《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]
- Issue:
- 2026年第4期
- Page:
- 525-530
- Research Field:
- 医学生物物理
- Publishing date:
Info
- Title:
- Effects of multisensory stimulation intervention based on white noise on postural control in healthy adults
- Author(s):
- XIE Jinkun1; QIU Baogui2; WU Zhiyu1; HU Bingshan1; 3; HE Chen1; 3
- 1. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China 2. Shanghai Yunzhu 3D Technology Co., Ltd., Shanghai 201306, China 3. Shanghai Engineering Research Center of Assistive Devices, Shanghai 200093, China
- Keywords:
- Keywords: balance white noise multisensory stimulation stochastic resonance the center of pressure
- PACS:
- R318.6
- DOI:
- DOI:10.3969/j.issn.1005-202X.2026.04.016
- Abstract:
- White noise stimulation based on stochastic resonance has been proven to improve human balance. However, research on the effects of multisensory stimulation on balance remains limited. Therefore, this study aims to investigate the impacts of plantar vibration stimuli at varying intensities and combined tactile-vestibular multisensory stimulation on balance in healthy adults. The experiment utilizes self-developed plantar micro-vibration stimulation insoles, which convert white noise into electrical signals to drive miniature vibration motors for tactile stimulation to the plantar surface. Balance is assessed by measuring the 95% confidence ellipse area of the center of pressure (CoP) using a force platform. The experiment is divided into two parts. (1) Examining the effects of plantar vibration stimulation at varying intensities (no vibration, strong vibration, and threshold vibration). The results show that threshold vibration reduces the CoP envelope area by 201.500 mm2, but the difference is not statistically significant (P>0.05). (2) Investigating the effects of multisensory stimulation by comparing balance parameters under 4 conditions: a control condition (no stimulation), auditory stimulation (vestibular), vibration stimulation (plantar tactile), and combined vibration-auditory stimulation. The results show that both auditory and vibration single-mode stimulation significantly improve balance, reducing the CoP envelope area by 44.840 mm2 and 44.147 mm2, respectively, compared with the control condition. Furthermore, combined vibration-auditory multisensory stimulation achieves even better results, with a 77.574 mm2 reduction in CoP envelope area, demonstrating that multisensory integration significantly enhances balance improvement. This study confirms that both plantar threshold vibration and vestibular white noise stimulation effectively improve balance, with multisensory stimulation providing synergistic benefits.
Last Update: 2026-04-29