Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces

Is Mr. Hyde more similar to his alter ego Dr. Jekyll, because of their physical identity, or to Jack the Ripper, because both evoke fear and loathing? The relative weight of emotional and visual dimensions in similarity judgements is still unclear. We expected an asymmetric effect of these dimension...

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Autores principales:	Martina Riberto, Deborah Talmi, Gorana Pobric
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	emotions similarity symmetry RSA Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/eeaa7791c0ad4f96acc2861f640e9e41
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spelling	oai:doaj.org-article:eeaa7791c0ad4f96acc2861f640e9e412021-11-25T19:06:39ZSymmetry in Emotional and Visual Similarity between Neutral and Negative Faces10.3390/sym131120912073-8994https://doaj.org/article/eeaa7791c0ad4f96acc2861f640e9e412021-11-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/2091https://doaj.org/toc/2073-8994Is Mr. Hyde more similar to his alter ego Dr. Jekyll, because of their physical identity, or to Jack the Ripper, because both evoke fear and loathing? The relative weight of emotional and visual dimensions in similarity judgements is still unclear. We expected an asymmetric effect of these dimensions on similarity perception, such that faces that express the same or similar feeling are judged as more similar than different emotional expressions of same person. We selected 10 male faces with different expressions. Each face posed one neutral expression and one emotional expression (five disgust, five fear). We paired these expressions, resulting in 190 pairs, varying either in emotional expressions, physical identity, or both. Twenty healthy participants rated the similarity of paired faces on a 7-point scale. We report a symmetric effect of emotional expression and identity on similarity judgements, suggesting that people may perceive Mr. Hyde to be just as similar to Dr. Jekyll (identity) as to Jack the Ripper (emotion). We also observed that emotional mismatch decreased perceived similarity, suggesting that emotions play a prominent role in similarity judgements. From an evolutionary perspective, poor discrimination between emotional stimuli might endanger the individual.Martina RibertoDeborah TalmiGorana PobricMDPI AGarticleemotionssimilaritysymmetryRSAMathematicsQA1-939ENSymmetry, Vol 13, Iss 2091, p 2091 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	emotions similarity symmetry RSA Mathematics QA1-939
spellingShingle	emotions similarity symmetry RSA Mathematics QA1-939 Martina Riberto Deborah Talmi Gorana Pobric Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
description	Is Mr. Hyde more similar to his alter ego Dr. Jekyll, because of their physical identity, or to Jack the Ripper, because both evoke fear and loathing? The relative weight of emotional and visual dimensions in similarity judgements is still unclear. We expected an asymmetric effect of these dimensions on similarity perception, such that faces that express the same or similar feeling are judged as more similar than different emotional expressions of same person. We selected 10 male faces with different expressions. Each face posed one neutral expression and one emotional expression (five disgust, five fear). We paired these expressions, resulting in 190 pairs, varying either in emotional expressions, physical identity, or both. Twenty healthy participants rated the similarity of paired faces on a 7-point scale. We report a symmetric effect of emotional expression and identity on similarity judgements, suggesting that people may perceive Mr. Hyde to be just as similar to Dr. Jekyll (identity) as to Jack the Ripper (emotion). We also observed that emotional mismatch decreased perceived similarity, suggesting that emotions play a prominent role in similarity judgements. From an evolutionary perspective, poor discrimination between emotional stimuli might endanger the individual.
format	article
author	Martina Riberto Deborah Talmi Gorana Pobric
author_facet	Martina Riberto Deborah Talmi Gorana Pobric
author_sort	Martina Riberto
title	Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
title_short	Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
title_full	Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
title_fullStr	Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
title_full_unstemmed	Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces
title_sort	symmetry in emotional and visual similarity between neutral and negative faces
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/eeaa7791c0ad4f96acc2861f640e9e41
work_keys_str_mv	AT martinariberto symmetryinemotionalandvisualsimilaritybetweenneutralandnegativefaces AT deborahtalmi symmetryinemotionalandvisualsimilaritybetweenneutralandnegativefaces AT goranapobric symmetryinemotionalandvisualsimilaritybetweenneutralandnegativefaces
_version_	1718410315069128704

Symmetry in Emotional and Visual Similarity between Neutral and Negative Faces

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