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Noise-Enhanced Human Balance Control
Abstract
Noise can enhance the detection and transmission of weak signals in certain nonlinear systems, via a mechanism known as stochastic resonance. Here we show that input noise can be used to improve motor control in humans. Specifically, we show that the postural sway of both young and elderly individuals during quiet standing can be significantly reduced by applying subsensory mechanical noise to the feet. We further demonstrate with input noise a trend towards the reduction of postural sway in elderly subjects to the level of young subjects. These results suggest that noise-based devices, such as randomly vibrating shoe inserts, may enable people to overcome functional difficulties due to age-related sensory loss.
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Citations
Cited by
Dynamic Sensorimotor Interactions in Locomotion
Rossignol, S., Dubuc, R., & Gossard, J.-P. (2006) · Physiological Reviews · doi:10.1152/physrev.00028.2005 · Cited by 1,096
Stochastic resonance and sensory information processing: A tutorial and review of application
Moss, F., Ward, L. M., & Sannita, W. G. (2004) · Clinical Neurophysiology · doi:10.1016/j.clinph.2003.09.014 · Cited by 994
What Is Stochastic Resonance? Definitions, Misconceptions, Debates, and Its Relevance to Biology
McDonnell, M. D., & Abbott, D. (2009) · PLoS Computational Biology · doi:10.1371/journal.pcbi.1000348 · Cited by 774
PCA in studying coordination and variability: a tutorial
Daffertshofer, A., Lamoth, C. J. C., Meijer, O. G., & Beek, P. J. (2004) · Clinical Biomechanics · doi:10.1016/j.clinbiomech.2004.01.005 · Cited by 709
MacDonald, S. W. S., Nyberg, L., & Bäckman, L. (2006) · Trends in Neurosciences · doi:10.1016/j.tins.2006.06.011 · Cited by 664
Metadata
- Authors
- Priplata, A., Niemi, J., Salen, M., Harry, J., Lipsitz, L. A., & Collins, J. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2002-11-13
- Volume
- 89
- Issue
- 23
- Pages
- 238101-238101
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2025416516
- Cited by
- 357
- References
- 0
- FWCI
- 40.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- Priplata, A., Niemi, J., Salen, M., Harry, J., Lipsitz, L. A., & Collins, J. J. (2002). Noise-Enhanced Human Balance Control. Physical Review Letters. https://doi.org/10.1103/physrevlett.89.238101
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