A numerical method for the computation of induced currents inside 3-D heterogeneous biological bodies by ELF-LF electric fields

Author

Chuang, Huey-Ru ; Chen, Kun-Mu

Author_Institution

Dept. of Electr. Eng. & Syst. Sci., Michigan State Univ., East Lansing, MI, USA

Volume

36

Issue

6

fYear

1989

fDate

6/1/1989 12:00:00 AM

Firstpage

628

Lastpage

634

Abstract

The authors present a numerical technique based on the combination of surface-charge integral equations (SCIE) and an impedance network method for computation of electric fields and currents inside 3-D heterogeneous biological bodies with arbitrary grounding impedances induced by ELF-LF electric fields. The method has been applied to a biological concentric sphere, and the numerical results agree well with an existing analytical solution. Numerical results of the induced current inside a simplified heterogeneous model of the human head, computed by this method, are also presented.

Keywords

bioelectric phenomena; biological effects of fields; electric field effects; 3D heterogeneous biological bodies; ELF-LF electric fields; biological concentric sphere; human head; impedance network method; induced currents computation; numerical technique; simplified heterogeneous model; surface-charge integral equations; Biological system modeling; Biology computing; Current density; Geophysical measurement techniques; Ground penetrating radar; Grounding; Humans; Integral equations; Magnetic heads; Surface impedance; Body Surface Area; Electric Conductivity; Electromagnetic Fields; Electromagnetics; Humans; Models, Biological; Skull;

fLanguage

English

Journal_Title

Biomedical Engineering, IEEE Transactions on

Publisher

ieee

ISSN

0018-9294

Type

jour

DOI

10.1109/10.29458

Filename

29458