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. 2015 Dec 9;5:16988. doi: 10.1038/srep16988

Figure 1. Experimental design and trial procedure.

Figure 1

The study consisted of two conditions (pain and no pain) and three stimulus types (intact scene, arm only and face only), and involved a mixture of between-subject (group × condition) and within-subject (condition × stimulus type) analyses. Painful video stimuli are exemplified by screenshots (at the bottom of the figure) taken from video clips produced for this study.