Illustration of sequential and cumulative effects of appraisals on facial expressions predicted by the Component Process Model.

<p>The numbers indicate the Action Unit (AU) according to the Faction Action Coding System [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0135837#pone.0135837.ref037" target="_blank">37</a>] which are accompanied by descriptions of the respective facial expression.