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. 2011 May 30;11(6):5819–5834. doi: 10.3390/s110605819

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© 2011 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 9. — EEG signal comparison, as recorded by wet electrodes and the proposed dry sensors. (A) The EEG measurements on the forehead site (F10) and (B) the hairy site (POz) are presented.