Smiling in Pain: Explorations of Its Social Motives

<table>Examples of smiles (AU 12) that occurred during painful stimulation in study 1 (upper row: examples are given for the blocked and nonblocked facial communication groups) and during study 2 (lower row: examples are given for the three social situations participants were tested in).</table>

Pain Research and Treatment

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Figure 1

Figure 1: Smiling in Pain: Explorations of Its Social Motives 