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Generalizing Duchenne to sad expressions with binocular rivalry and perception ratings

Malek, N; Messinger, D; Gao, AYL; Krumhuber, E; Mattson, W; Joober, R; Tabbane, K; (2019) Generalizing Duchenne to sad expressions with binocular rivalry and perception ratings. Emotion , 19 (2) pp. 234-241. 10.1037/emo0000410. Green open access

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Abstract

Discrete emotion theories emphasize the modularity of facial expressions, while functionalist theories suggest that a single facial action may have a common meaning across expressions. Smiles involving the Duchenne marker, eye constriction causing crow’s feet, are perceived as intensely positive and sincere. To test whether the Duchenne marker is a general index of intensity and sincerity, we contrasted positive and negative expressions with and without the Duchenne marker in a binocular rivalry paradigm. Both smiles and sad expressions involving the Duchenne marker were perceived longer than non-Duchenne expressions, and participants rated all Duchenne expressions as more affectively intense and more sincere than their non-Duchenne counterparts. Correlations between perceptual dominance and ratings suggested that the Duchenne marker increased the dominance of smiles and sad expressions by increasing their perceived affective intensity. The results provide evidence in favor of Darwin’s hypothesis that specific facial actions have a general function (conveying affect intensification and sincerity) across expressions.

Type: Article
Title: Generalizing Duchenne to sad expressions with binocular rivalry and perception ratings
Open access status: An open access version is available from UCL Discovery
DOI: 10.1037/emo0000410
Publisher version: https://doi.org/10.1037/emo0000410
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Duchenne marker, smile, sad, valence, binocular rivalry
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Experimental Psychology
URI: http://discovery.ucl.ac.uk/id/eprint/10040376
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