Suppression time modulation by sad and happy faces at T1.

<p>Bar plots depict suppression time modulations for happy and sad facial expressions relative to neutral expressions for patients with major depressive disorder (MDD) and healthy participants (HC) at T1. Values > 1, represented by the dotted line, indicate longer suppression times in relation to neutral faces. No differences between emotions or groups were found. Error bars indicate within-subject standard-errors of the mean [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0129863#pone.0129863.ref053" target="_blank">53</a>] MDD = major depressive disorder; HC = healthy controls.</p>