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DISCRIMINATION BETWEEN PHASE-LOCKED AND NON-PHASE-LOCKED EVENT-RELATED EEC ACTIVITY

被引：267
作者：
KALCHER, J
PFURTSCHELLER, G
机构：
[1] GRAZ UNIV TECHNOL,INST BIOMED ENGN,DEPT MED INFORMAT,A-8010 GRAZ,AUSTRIA
[2] LUDWIG BOLTZMANN INST MED INFORMAT & NEUROINFORMA,A-8010 GRAZ,AUSTRIA
来源：
ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1995年 / 94卷 / 05期
关键词：
EVENT-RELATED DESYNCHRONIZATION (ERD); EVENT-RELATED SYNCHRONIZATION (ERS); INTERTRIAL VARIANCE; EVENT-RELATED POTENTIAL;
D O I：
10.1016/0013-4694(95)00040-6
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Differentiation between phase-locked and non-phase-locked event-related EEG activity is an important task in the evaluation of event-related EEG activity. Event-related changes of EEG activity such as event-related desynchronization (ERD) or event-related synchronization (ERS) can be quantified by either instantaneous band power or intertrial variance calculations. In the former case the ERD or ERS can be masked by an event-related potential while in the fatter it is not. Examples from sensory stimulation and movement experiments, where the ERD (ERS) is calculated by both methods, are shown and discussed.
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页码：381 / 384
页数：4
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