The realistic versus the spherical head model in EEG dipole source analysis in the presence of noise
作者： B. Vanrumste , G. Van Hoey , R. Van de Walle , P. Van Hese , M. D'Have
DOI: 10.1109/IEMBS.2001.1019121
关键词: Additive white Gaussian noise 、 Monte Carlo method 、 White noise 、 Gaussian noise 、 Noise 、 Physics 、 Dipole 、 Simulation 、 Head (vessel) 、 Acoustics 、 Inverse problem
摘要: The performance of the three-shell spherical head model versus realistic is investigated when solving inverse problem with a single dipole, in presence noise. This evaluated by inspecting average dipole location error applying and model, for 1000 noisy scalp potentials, originating from same test having noise level. errors are obtained utilizing local linearization, which validated Monte Carlo simulation. For 27 electrodes, an EEG epoch one time sample spatially white Gaussian we found that importance over reduces increasing
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