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. 2016 Oct 2;16(10):1635. doi: 10.3390/s16101635

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© 2016 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 (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Examples of current dry fingered EEG electrodes. (a) Wearable sensing [4]; (b) Cognionics [5]; (c) Neuroelectrics [6]; (d) IMEC [7]; (e) Florida Research Instruments [8]; (f) g.tec g.SAHARA [9].