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真实头模型中的源电位计算方法与效果*
靓仔峰
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建立了真实头模型中脑电正问题的边界元计算方法，应用消涨技术与隔离技术降低计算误差，保证了脑电正问题的计算精度。在此基础上，实现了真实头模型中的源电位和皮层电位的计算，计算结果表明，源电位是一种比皮层电位更好的成像物理量。
In this work, a boundary element method was developed for the forward calculation of the source potential in a realistic head model. A high calculation precision is arrived through the use of the deflation technique and isolated problem approach. Based on the developed method, both source potential and the canonical cortical surface potential are calculated and compared, and the result indicates that the source potential is a better imaging modality than the cortical surface potential.
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