Spatiotemporal patterns of beta desynchronization and gamma synchronization in corticographic data during self-paced movement

被引：340
作者：
Pfurtscheller, G
Graimann, B
Huggins, JE
Levine, SP
Schuh, LA
机构：
[1] Graz Tech Univ, Inst Biomed Engn, Dept Med Informat, A-8010 Graz, Austria
[2] Ludwig Boltzmann Inst Med Informat & Neuroinforma, A-8010 Graz, Austria
[3] Univ Michigan, Dept Biomed Engn, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Dept Phys Med & Rehabil, Ann Arbor, MI 48109 USA
[5] Henry Ford Hosp, Dept Neurol, Detroit, MI 48202 USA
来源：
CLINICAL NEUROPHYSIOLOGY | 2003年 / 114卷 / 07期
关键词：
electrocorticogram; event-related desynchronization; event-related synchronization; self-paced movement; beta activity; gamma activity;
D O I：
10.1016/S1388-2457(03)00067-1
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
Objective: To study the spatiotemporal pattern of event-related desynchronization (ERD) and event-related synchronization (ERS) in electrocorticographic (ECoG) data with closely spaced electrodes. Methods: Four patients with epilepsy performed self-paced hand movements. The ERD/ERS was quantified and displayed in the form of time-frequency maps. Results: In all subjects, a significant beta ERD with embedded gamma ERS was found. Conclusions: Self-paced movement is accompanied not only by a relatively widespread mu and beta ERD, but also by a more focused gamma ERS in the 60-90 Hz frequency band. (C) 2003 International Federation of Clinical Neurophysiology. Published by Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码：1226 / 1236
页数：11
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