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. 2017 Jul 26;11:391. doi: 10.3389/fnhum.2017.00391

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Copyright © 2017 Dreyer, Herrmann and Rieger.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Mean classification accuracies and information transfer rates (ITRs) for FM and SIN stimulation with overt attention. Left column shows means over all subjects, right column shows means of responders only. The theoretical chance level with four simultaneously flickering LEDs is 25%. Significance indicators relate to paired-sample t-tests across subjects: ^#p < 0.05, *p < 0.0045, **p < 0.001. *Relates to the Bonferroni corrected p-threshold for a 95% significance level (0.05/11 = 0.0045). Error bars show standard deviations.