Eur. Phys. J. Appl. Phys.
Volume 64, Number 1, October 2013
|Number of page(s)||8|
|Section||Imaging, Microscopy and Spectroscopy|
|Published online||03 October 2013|
Ag/AgCl electrodes in the EEG/fMRI method in 3T MRI scanner
Department of Physics, Uludag University, 16059 Görükle, Bursa, Turkey
a e-mail: email@example.com
Revised: 12 August 2013
Accepted: 23 August 2013
Published online: 3 October 2013
This study focuses on the comparison of two different types of EEG electrodes (the first B10-S-150 Ag/AgCl sintered ring electrode with 1, 5 mm touch proof safety socket and 150 cm heavy-duty lead wire and the second, B12-LS-100 Ag/AgCl sintered FE-electrode with 100 cm light-duty lead wire and 1, 5 mm touch proof safety socket with 5 kΩ resistor near sensor) used in the EEG/fMRI method in 3T MRI scanner. We compared these electrodes by their specific absorption rate (SAR) simulation values and the temperature change calculated by PRF method. The experimental setup of the study is described as follows: a phantom is prepared and the electrodes are placed on it. Then, a simulation for SAR values is realized. The temperature change is calculated by MR thermometer. As a result of this study, Ag/AgCl pin electrode is better to be use in EEG/fMRI; because the measured temperature change is expected to be low.
© EDP Sciences, 2013
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