Event-related beta EEG changes induced by various neuromuscular electrical stimulation: A pilot study

Yun Zhao; Jun Yao; Xiaoying Wu; Lin Chen; Xing Wang; Xin Zhang; Wensheng Hou

doi:10.1109/TNSRE.2021.3089478

Event-related beta EEG changes induced by various neuromuscular electrical stimulation: A pilot study

Yun Zhao, Jun Yao^*, Xiaoying Wu, Lin Chen, Xing Wang, Xin Zhang, Wensheng Hou^*

^*Corresponding author for this work

Physical Therapy and Human Movement Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

Previous results demonstrated that neuromuscular electrical stimulation (NMES) with various configurations could induce different activity at both the central and peripheral levels. Although NMES generating different peripheral movements have been studied, it is still unclear whether the difference in NMES-induced cortical activity is due to movement- or stimulation- related differences. Because NMES-induced cortical activity impacts motor function recovery, it is essential to know when NMES with various configurations evoke the same movement, whether the induced cortical activity is still different. Four NMES configurations: 1) Eight-let Frequency Trains, 2) Doublet frequency trains (DFT), 3) Constant-frequency trains with narrow-pulse, and 4) wide-pulse, were delivered to the right biceps brachii muscle in nine healthy young adults. We adjusted the intensities of these NMES to evoke the same elbow flexion and compared the cortical activities over sensorimotor regions. Our results showed that the four NMES patterns induced different beta-band Event-Related Desynchronization (ERD), with the DFT providing the strongest ERD value given the same NMES-induced elbow flexion (p < 0.05). This difference is possibly due to NMES with different configuration activated in the amount of afferent proprioceptive fibers. Our pilot study suggests that the NMES-induced beta-band ERD may be an additional factor to consider when selecting the NMES configuration for a better motor function recovery.

Original language	English (US)
Article number	9455431
Pages (from-to)	1206-1212
Number of pages	7
Journal	IEEE Transactions on Neural Systems and Rehabilitation Engineering
Volume	29
DOIs	https://doi.org/10.1109/TNSRE.2021.3089478
State	Published - 2021

Funding

Manuscript received January 25, 2021; revised April 5, 2021; accepted May 16, 2021. Date of publication June 15, 2021; date of current version June 30, 2021. This work was supported in part by the National Natural Science Foundation of China under Grant 31771069, Grant 31800824, and Grant 31872751, in part by the Key-Area Research and Development Program of Guangdong Province under Grant 2020B0909020004, and in part by the Graduate Research and Innovation Foundation of Chongqing of China under Grant CYB17038. (Corresponding authors: Wensheng Hou; Jun Yao.) Yun Zhao is with the Key Laboratory of Biorheological Science and Technology, Ministry of Education, Chongqing University, Chongqing 400030, China, and also with the Department of Physical Therapy and Human Movement Sciences, Northwestern University, Evanston, IL 60208 USA.

Keywords

Brain activity
Constant-frequency trains
Doublet frequency trains
Neuromuscular electrical stimulation

ASJC Scopus subject areas

Internal Medicine
General Neuroscience
Biomedical Engineering
Rehabilitation

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10.1109/TNSRE.2021.3089478

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title = "Event-related beta EEG changes induced by various neuromuscular electrical stimulation: A pilot study",

abstract = "Previous results demonstrated that neuromuscular electrical stimulation (NMES) with various configurations could induce different activity at both the central and peripheral levels. Although NMES generating different peripheral movements have been studied, it is still unclear whether the difference in NMES-induced cortical activity is due to movement- or stimulation- related differences. Because NMES-induced cortical activity impacts motor function recovery, it is essential to know when NMES with various configurations evoke the same movement, whether the induced cortical activity is still different. Four NMES configurations: 1) Eight-let Frequency Trains, 2) Doublet frequency trains (DFT), 3) Constant-frequency trains with narrow-pulse, and 4) wide-pulse, were delivered to the right biceps brachii muscle in nine healthy young adults. We adjusted the intensities of these NMES to evoke the same elbow flexion and compared the cortical activities over sensorimotor regions. Our results showed that the four NMES patterns induced different beta-band Event-Related Desynchronization (ERD), with the DFT providing the strongest ERD value given the same NMES-induced elbow flexion (p < 0.05). This difference is possibly due to NMES with different configuration activated in the amount of afferent proprioceptive fibers. Our pilot study suggests that the NMES-induced beta-band ERD may be an additional factor to consider when selecting the NMES configuration for a better motor function recovery.",

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Event-related beta EEG changes induced by various neuromuscular electrical stimulation: A pilot study

Abstract

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Keywords

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