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. 2016 Dec 27;114(2):388–393. doi: 10.1073/pnas.1614763114

Fig. 1.

Fig. 1.

Examples of stimuli presented in the current study. (A) All faces are presented with a neutral facial expression. Eight additional face identities (models 21, 24–27, and 32–34) from the NimStim Face Stimulus Set (28) and four additional identities from the Psychological Image Collection at Sterling Pain Expressions Set (male models 5, 6, 8, and 10) were included in our stimulus set but cannot be reproduced here under the release terms of those stimulus sets. (B) All details as described for A, with the exception that faces are presented with happy expressions.