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Abnormal EEG Microstates in Poststroke Patients: A Pilot Study

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机构: [1]Yanshan Univ, Key Lab Intelligent Control & Neural Informat Proc, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China [3]Natl Res Ctr Rehabil Tech Aids, Beijing Key Lab Rehabil Tech Aids Old Age Disabil, Beijing 100101, Peoples R China [4]Natl Res Center Rehabil Tech Aids, Beijing Key Lab Rehabil Tech Aids Old Age Disabil, Beijing 100101, Peoples R China [5]Tianjin Univ, Acad Med Engn & Translat Med, Tianjin 300072, Peoples R China [6]Capital Med Univ, Xuanwu Hosp, Beijing 100054, Peoples R China
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关键词: Electroencephalography Stroke (medical condition) Electrodes Motors Pathology Intelligent sensors Hemorrhaging Electronic mail Correlation Network topology Electroencephalography (EEG) microstate resting state stroke

摘要:
Exploring brain function is crucial for unraveling the pathological mechanism underlying stroke. While most studies focus on brain function and emphasize dynamic connections and interactions within or between brain regions, they often ignore the global properties of large-scale network topology. In this study, we analyzed resting-state electroencephalography (EEG) microstates in stroke patients, calculating key parameters such as mean duration (MD), occurrence (OC), time coverage (TC), and transition probability (TP) across different microstate classes. As a result, we identified four microstate classes (A-D) in both healthy subjects and stroke patients. Notably, stroke patients showed significant changes in Classes B-D, with increased MD, OC, and TC in Classes B and C and decreased MD, OC, and TC in Class D. In addition, stroke patients displayed higher TP between Classes B and C than healthy controls. Moreover, we observed a positive correlation between the OC of Class D and clinical Fugl-Meyer scores, suggesting a link between microstate dynamic and motor recovery. This study highlights the connection between specific microstates and brain regions, providing evidence that stroke patients demonstrate increased activity in visual and salience networks (SNs), but decreased activity in the dorsal attention network (DAN). We speculate these results from changes in the occipital lobe, frontal lobe, parietal lobe, and dorsal anterior cingulate cortex. These findings deepen our understanding of stroke pathophysiology and support further research.

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出版当年[2025]版:
大类 | 3 区 综合性期刊
小类 | 3 区 工程:电子与电气 3 区 仪器仪表 3 区 物理:应用
最新[2025]版:
大类 | 3 区 综合性期刊
小类 | 3 区 工程:电子与电气 3 区 仪器仪表 3 区 物理:应用
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出版当年[2023]版:
Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Q1 INSTRUMENTS & INSTRUMENTATION Q2 PHYSICS, APPLIED
最新[2024]版:
Q1 INSTRUMENTS & INSTRUMENTATION Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Q2 PHYSICS, APPLIED

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第一作者机构: [1]Yanshan Univ, Key Lab Intelligent Control & Neural Informat Proc, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China
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通讯机构: [1]Yanshan Univ, Key Lab Intelligent Control & Neural Informat Proc, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China [2]Yanshan Univ, Key Lab Intelligent Rehabil & Neuromodulat Hebei P, Minist Educ, Qinhuangdao 066004, Hebei, Peoples R China
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