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Behavioural and Neural Responses to Facial Disfigurement
Hartung, Franziska Jamrozik, Anja Rosen, Miriam E. Aguirre, Geoffrey Chatterjee, Anjan
Hartung, Franziska
Jamrozik, Anja
Rosen, Miriam E.
Aguirre, Geoffrey
Chatterjee, Anjan
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Journal article
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2019-05-29
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Social and Behavioral Sciences
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https://doi.org/10.1038/s41598-019-44408-8
Abstract
Faces are among the most salient and relevant visual and social stimuli that humans encounter. Attractive faces are associated with positive character traits and social skills and automatically evoke larger neural responses than faces of average attractiveness in ventral occipito-temporal cortical areas. Little is known about the behavioral and neural responses to disfigured faces. In two experiments, we tested the hypotheses that people harbor a disfigured is bad bias and that ventral visual neural responses, known to be amplified to attractive faces, represent an attentional effect to facial salience rather than to their rewarding properties. In our behavioral study (N = 79), we confirmed the existence of an implicit ‘disfigured is bad’ bias. In our functional MRI experiment (N = 31), neural responses to photographs of disfigured faces before treatment evoked greater neural responses within ventral occipito-temporal cortex and diminished responses within anterior cingulate cortex. The occipito-temporal activity supports the hypothesis that these areas are sensitive to attentional, rather than reward properties of faces. The relative deactivation in anterior cingulate cortex, informed by our behavioral study, may reflect suppressed empathy and social cognition and indicate evidence of a possible neural mechanism underlying dehumanization.
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Hartung, F., Jamrozik, A., Rosen, M.E. et al. Behavioural and Neural Responses to Facial Disfigurement. Sci Rep 9, 8021 (2019) doi:10.1038/s41598-019-44408-8
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Scientific Reports, Vol. 9, Article number 8021
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