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Sensors 2012, 12(12), 16907-16919; doi:10.3390/s121216907

Textile Electrodes for EEG Recording — A Pilot Study

1,* , 1,2
1 School of Engineering, University of Borås, 501 90 Borås, Sweden 2 School of Technology and Health, KTH-Royal Institute of Technology, 141 52 Huddinge, Sweden 3 Institute of Neuroscience and Physiology, Sahlgrenska Academy, Sahlgrenska University Hospital, 413 45 Göteborg, Sweden
* Author to whom correspondence should be addressed.
Received: 31 October 2012 / Revised: 5 December 2012 / Accepted: 6 December 2012 / Published: 7 December 2012
(This article belongs to the Section Physical Sensors)
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The overall aim of our research is to develop a monitoring system for neonatal intensive care units. Long-term EEG monitoring in newborns require that the electrodes don’t harm the sensitive skin of the baby, an especially relevant feature for premature babies. Our approach to EEG monitoring is based on several electrodes distributed over the head of the baby, and since the weight of the head always will be on some of them, any type of hard electrode will inevitably cause a pressure-point that can irritate the skin. Therefore, we propose the use of soft conductive textiles as EEG electrodes, primarily for neonates, but also for other kinds of unobtrusive long-term monitoring. In this paper we have tested two types of textile electrodes on five healthy adults and compared them to standard high quality electrodes. The acquired signals were compared with respect to morphology, frequency distribution, spectral coherence, correlation and power line interference sensitivity, and the signals were found to be similar in most respects. The good measurement performance exhibited by the textile electrodes indicates that they are feasible candidates for EEG recording, opening the door for long-term EEG monitoring applications.
Keywords: smart textiles; textrodes; electrodes; EEG smart textiles; textrodes; electrodes; EEG
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Löfhede, J.; Seoane, F.; Thordstein, M. Textile Electrodes for EEG Recording — A Pilot Study. Sensors 2012, 12, 16907-16919.

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