TY  - JOUR
AB  - Purpose– The resolution of electroencephalography (EEG) forward problem by the finite element method (FEM) involves the modeling of current dipoles with the singularities. The purpose of the paper is to investigate the accuracy issue of the two alternative methods, the direct method and the subtraction method for the modeling of current dipoles. Design/methodology/approach– Finite element modeling of current dipoles using the direct method and the alternative implementations of the subtraction method. Findings– The accuracy and the performance of different methods are compared through a four-layer spherical head model with available analytical solution. Results show that the subtraction method involving only the surface integrals provides the best accuracy. Originality/value– The subtraction method removes the difficulty of modeling the singularity of current dipoles but the accuracy depends on the implementation.
VL  - 33
IS  - 1/2
SN  - 0332-1649
DO  - 10.1108/COMPEL-11-2012-0329
UR  - https://doi.org/10.1108/COMPEL-11-2012-0329
AU  - Zhang Yujie
AU  - Ren Zhuoxiang
AU  - Lautru David
ED  - Prof. Norio Takahashi
PY  - 2014
Y1  - 2014/01/01
TI  - Finite element modeling of current dipoles using direct and subtraction methods for EEG forward problem
T2  - COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
PB  - Emerald Group Publishing Limited
SP  - 210
EP  - 223
Y2  - 2024/04/25
ER  -