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The inhomogeneous conductivity property of cranial tissues and its representation in numerical head models
1School of Informatics & Engineering, Flinders University of South Australia, Australia. egpw@flinders.edu.au
Abstract:
The inhomogeneous conductivity of cranial tissues is discussed in this paper. A novel approach for including detailed tissue inhomogeneity is proposed and developed using pseudo-conductivity values which are derived from the limited data available from physiological experiments. Simulation studies of the effects caused by the inclusion of inhomogeneity in the EEG forward problem are also presented in this paper. The results suggest that the accurate representation of the tissue inhomogeneity improves the quality of the computed EEG forward solution. Conclusions about the effects of inhomogeneity on the potential distribution are given.