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Title: | Detrended fluctuation analysis of gait dynamics when entraining to music and metronomes at different tempi in persons with multiple sclerosis | Authors: | MOUMDJIAN, Lousin Maes, Pieter-Jan Dalla Bella, Simone Decker, Leslie M. Moens, Bart FEYS, Peter Leman, Marc |
Issue Date: | 2020 | Publisher: | NATURE PUBLISHING GROUP | Source: | SCIENTIFIC REPORTS, 10 (1) (Art N° 12934) | Abstract: | In persons with multiple sclerosis (PwMS), synchronizing walking to auditory stimuli such as to music and metronomes have been shown to be feasible, and positive clinical effects have been reported on step frequency and perception of fatigue. Yet, the dynamic interaction during the process of synchronization, such as the coupling of the steps to the beat intervals in music and metronomes, and at different tempi remain unknown. Understanding these interactions are clinically relevant, as it reflects the pattern of step intervals over time, known as gait dynamics. 28 PwMS and 29 healthy controls were instructed to walk to music and metronomes at 6 tempi (0-10% in increments of 2%). Detrended fluctuation analysis was applied to calculate the fractal statistical properties of the gait time-series to quantify gait dynamics by the outcome measure alpha. The results showed no group differences, but significantly higher alpha when walking to music compared to metronomes, and when walking to both stimuli at tempi+8,+10% compared to lower tempi. These observations suggest that the precision and adaptation gain differ during the coupling of the steps to beats in music compared to metronomes (continuous compared to discrete auditory structures) and at different tempi (different inter-beat-intervals). | Notes: | Moumdjian, L (corresponding author), Univ Ghent, IPEM Inst Psychoacoust & Elect Mus, Fac Arts & Philosophy, Ghent, Belgium.; Moumdjian, L (corresponding author), Hasselt Univ, Fac Rehabil Sci, REVAL Rehabil Res Ctr, Hasselt, Belgium. lousin.moumddjian@ugent.be |
Other: | Moumdjian, L (corresponding author), Univ Ghent, IPEM Inst Psychoacoust & Elect Mus, Fac Arts & Philosophy, Ghent, Belgium ; Hasselt Univ, Fac Rehabil Sci, REVAL Rehabil Res Ctr, Hasselt, Belgium. lousin.moumddjian@ugent.be | Document URI: | http://hdl.handle.net/1942/32760 | ISSN: | 2045-2322 | e-ISSN: | 2045-2322 | DOI: | 10.1038/s41598-020-69667-8 | ISI #: | WOS:000556412200008 | Rights: | Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. © The Author(s) 2020 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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s41598-020-69667-8.pdf | Published version | 1.58 MB | Adobe PDF | View/Open |
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