Post-movement beta oscillations studied with linear estimation

被引：11
|
作者：
van Burik, M
Knösche, T
Edlinger, G
Neuper, C
Pfurtscheller, G
Peters, M
机构：
[1] Graz Univ Technol, Ludwig Boltzmann Inst Med Informat & Neuroinforma, A-8010 Graz, Austria
[2] Graz Univ Technol, Inst Biomed Engn, Dept Med Informat, A-8010 Graz, Austria
[3] Univ Twente, Fac Appl Phys, Low Temp Div, Biomagnet Ctr, NL-7500 AE Enschede, Netherlands
来源：
ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1998年 / 106卷 / 03期
基金：
奥地利科学基金会;
关键词：
event-related synchronisation (ERS); linear estimation; post-movement beta synchronisation; spline surface laplacian;
D O I：
10.1016/S0013-4694(97)00098-9
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The application of surface laplacian and linear estimation methods to single trial EEG data was studied. EEG was recorded in 3 subjects during voluntary, self-paced extensions and flexions of the index finger. In each subject a post-movement beta synchronisation was found in specific frequency bands. The surface laplacian estimates were calculated using spherical splines and cortical current distributions were constructed using the linear estimation method. Both methods yield similar results and reveal a maximal event-related synchronisation over the left sensorimotor area approximately 500-750 ms after termination of movement. (C) 1998 Elsevier Science Ireland Ltd.
引用
收藏
页码：195 / 198
页数：4
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