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Using Transcranial Magnetic Stimulation to Improve Motor Cortical Excitability During Motor Imagery

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机构: [1]Yanshan Univ, Key Lab Measurement Technol & Instrumentat Hebei P, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China [3]Yanshan Univ, Inst Elect Engn, Key Lab Measurement Technol & Instrumentat Hebei P, Qinhuangdao, Hebei, Peoples R China [4]Yanshan Univ, Inst Elect Engn, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Qinhuangdao 066004, Hebei, Peoples R China [5]Capital Med Univ, Xuanwu Hosp, Beijing 100054, Peoples R China
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关键词: Motors Electroencephalography Training Electrodes Neuroplasticity Transcranial magnetic stimulation Fatigue Event-related desynchronization (ERD) mental fatigue motor imagery (MI) power spectral density (PSD) transcranial magnetic stimulation (TMS)

摘要:
External stimulation, such as transcranial magnetic stimulation (TMS), is considered a technique to improve motor cortical excitability during motor imagery (MI). However, few studies have examined the effects of TMS on motor intention during MI and the effects of TMS combined with MI on cortical plasticity. For this, we randomly enrolled 18 healthy young people, divided them into two groups (nine people in each group), and conducted two types of experiments: an MI experiment (MI group) and a TMS during the MI experiment (MI + TMS group). We also calculated the $\mu $ -event-related desynchronization ( $\mu $ -ERD), MI accuracy, and functional connectivity, and compared changes in these measures before and after the training. The results showed that compared with the MI group, the $\mu $ -ERD, MI recognition rate, and the local-scale functional connectivity of both hemispheres in the MI + TMS group were significantly improved. However, further analysis of the power spectrum density of the EEG signals showed that some subjects in both groups had obvious mental fatigue, which compromised the effect of TMS in MI. We conclude that TMS during MI can improve cortical cortex plasticity, increase motor intention, and improve the MI decoding rate. This research lays the foundation for applying MI combined with TMS in rehabilitation training and BCI system.

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出版当年[2023]版:
大类 | 2 区 综合性期刊
小类 | 2 区 仪器仪表 2 区 物理:应用 3 区 工程:电子与电气
最新[2023]版:
大类 | 2 区 综合性期刊
小类 | 2 区 仪器仪表 2 区 物理:应用 3 区 工程:电子与电气
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出版当年[2022]版:
Q1 INSTRUMENTS & INSTRUMENTATION Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Q2 PHYSICS, APPLIED
最新[2023]版:
Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Q1 INSTRUMENTS & INSTRUMENTATION Q2 PHYSICS, APPLIED

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第一作者机构: [1]Yanshan Univ, Key Lab Measurement Technol & Instrumentat Hebei P, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
通讯作者:
通讯机构: [1]Yanshan Univ, Key Lab Measurement Technol & Instrumentat Hebei P, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
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