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Electrical properties of human tissues are usually linked with structure of thin insulating membranes and thereby reflect physiological function of the tissues or organs. It is clinically important to characterize electrical properties of tissues in vivo. Electrical impedance tomography is a recently developed medical imaging technique, which has been exploited to characterize electrical properties...
A 2/sup nd/ order finite element method (FEM) algorithm has been developed to solve the anisotropic electroencephalogram (EEG) forward problem and has been evaluated by comparing with analytic solutions in a multispheres concentric head model. The present simulation study indicates that the 2/sup nd/ order FEM provides substantially enhanced numerical accuracy and computational efficiency, as compared...
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