How to Test the Quality of Reconstructed Sources in Independent Component Analysis (ICA) of EEG/MEG Data

M. Grosse-Wentrup, S. Harmeling, T. Zander, N. Hill, B. Scholkopf
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引用次数: 6

Abstract

We provide a simple method, based on volume conduction models, to quantify the neurophysiological plausibility of independent components (ICs) reconstructed from EEG/MEG data. We evaluate the method on EEG data recorded from 19 subjects and compare the results with two established procedures for judging the quality of ICs. We argue that our procedure provides a sound empirical basis for the inclusion or exclusion of ICs in the analysis of experimental data.
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如何在独立分量分析(ICA)中检测重构源的质量
我们提供了一种简单的方法,基于体积传导模型,量化从EEG/MEG数据重建的独立分量(ic)的神经生理合理性。我们对19名受试者的脑电图数据进行了评估,并将结果与两种已建立的判断ic质量的方法进行了比较。我们认为,我们的程序为在实验数据分析中包含或排除ic提供了良好的经验基础。
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