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. 2012 May 23;7(5):e37186. doi: 10.1371/journal.pone.0037186

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Hindi Attar, Müller.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Iso-contour voltage maps of SSVEP amplitudes at the corresponding stimulation frequency averaged across experimental conditions for the main- and the control experiment where the identical symbol stream was presented yet without IAPS pictures in the background.