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. 2019 May 17;9(5):116. doi: 10.3390/brainsci9050116

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© 2019 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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The effect of congruency varied with the face emotion. (a): group grand averaged waveforms for each face emotion and congruency condition (averaged across tasks) displayed at Fz and CPz sites. (b): topographic maps representing the congruency effect (congruent minus incongruent conditions) are displayed for each face emotion between face onset (0 ms) and 450 ms. The congruency effect displayed a clear centro-parietal distribution for happy face expressions and a clear frontal distribution for angry face expressions, restricted to 250–350 ms.