EIT Voltage Changes on the Human Scalp Due to Brain Stimulus

Author

Murrieta-Lee, J.C. ; Pomfrett, C.J.D. ; Beatty, P.C.W. ; Mussel, C.B. ; Waterfall, R.C. ; Polydorides, N. ; McCann, H.

Author_Institution

Dept. of Electr. Eng. & Electron., UMIST, Manchester, UK

fYear

2005

Firstpage

229

Lastpage

234

Abstract

In this paper, preliminary experimental results are presented concerning the use of EIT for detecting changes within the human head. Non-invasive measurements were taken using a modified commercial EIT system to record voltage changes in 3 human subjects. In this experiment, auditory evoked response (AER) and visual evoked response (VER) were used as stimuli for brain activity. Analyses of illustrative raw data are prented for two different current drive electrode pairs, and preliminary samples of reconstructed images for simulated and real human data are shown.

Keywords

auditory evoked potentials; brain; electric impedance imaging; image reconstruction; medical image processing; tomography; visual evoked potentials; AER; EIT voltage changes; VER; auditory evoked response; brain stimulus; current drive electrode pairs; human scalp; noninvasive measurements; reconstructed images; visual evoked response; Analytical models; Brain modeling; Electrodes; Humans; Image analysis; Image reconstruction; Magnetic heads; Scalp; Tomography; Voltage; electrical impedance tomography; head; human; measurements; monitoring;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronics, Communications and Computers, 2005. CONIELECOMP 2005. Proceedings. 15th International Conference on

Print_ISBN

0-7695-2283-1

Type

conf

DOI

10.1109/CONIEL.2005.38

Filename

1488565