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. 2018 Jul 19;9:1228. doi: 10.3389/fpsyg.2018.01228

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Copyright © 2018 Figueira, Pacheco, Lobo, Volchan, Pereira, de Oliveira and David.

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) and the copyright owner(s) 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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Correlation between participants’ working memory capacity [CDA mean amplitude (μV) increase from 2 to 4 colored squares] and trait Positive Affect during the neutral (A) and unpleasant emotional state (B). On the right, two examples of the CDA waveform for the 2- (purple) and 4- (green) squares condition during the unpleasant emotional state are shown, obtained from an individual who had a higher score on trait Positive Affect [Participant 1 (C)] and an individual who had a low score on trait Positive Affect [Participant 2 (D)]. Note that in the correlations, there are overlapping points, 4 in the neutral state and 5 in the unpleasant state.