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Blocking Mimicry Makes True and False Smiles Look the Same

Rychlowska, M; Canadas, E; Wood, A; Krumhuber, EG; Fischer, A; Niedenthal, PM; (2014) Blocking Mimicry Makes True and False Smiles Look the Same. PLOS ONE , 9 (3) , Article e90876. 10.1371/journal.pone.0090876. Green open access

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Abstract

Recent research suggests that facial mimicry underlies accurate interpretation of subtle facial expressions. In three experiments, we manipulated mimicry and tested its role in judgments of the genuineness of true and false smiles. Experiment 1 used facial EMG to show that a new mouthguard technique for blocking mimicry modifies both the amount and the time course of facial reactions. In Experiments 2 and 3, participants rated true and false smiles either while wearing mouthguards or when allowed to freely mimic the smiles with or without additional distraction, namely holding a squeeze ball or wearing a finger-cuff heart rate monitor. Results showed that blocking mimicry compromised the decoding of true and false smiles such that they were judged as equally genuine. Together the experiments highlight the role of facial mimicry in judging subtle meanings of facial expressions.

Type: Article
Title: Blocking Mimicry Makes True and False Smiles Look the Same
Open access status: An open access version is available from UCL Discovery
DOI: 10.1371/journal.pone.0090876
Publisher version: http://doi.org/10.1371/journal.pone.0090876
Language: English
Additional information: © 2014 Rychlowska et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Keywords: Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, MULTIDISCIPLINARY SCIENCES, EMOTIONAL FACIAL EXPRESSIONS, EMBODIED PERCEPTION, DUCHENNE SMILES, DYNAMICS, RECOGNITION, ENJOYMENT, FEEDBACK
UCL classification: UCL
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: https://discovery.ucl.ac.uk/id/eprint/1427156
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