Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.

Sensitivity to the emotions of others provides clear biological advantages. However, in the case of heterospecific relationships, such as that existing between dogs and humans, there are additional challenges since some elements of the expression of emotions are species-specific. Given that faces pr...

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Autores principales:	Anaïs Racca, Kun Guo, Kerstin Meints, Daniel S Mills
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/12400c91fdcb4a1698b30bb17c4e436a
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id	oai:doaj.org-article:12400c91fdcb4a1698b30bb17c4e436a
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spelling	oai:doaj.org-article:12400c91fdcb4a1698b30bb17c4e436a2021-11-18T07:20:27ZReading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.1932-620310.1371/journal.pone.0036076https://doaj.org/article/12400c91fdcb4a1698b30bb17c4e436a2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22558335/?tool=EBIhttps://doaj.org/toc/1932-6203Sensitivity to the emotions of others provides clear biological advantages. However, in the case of heterospecific relationships, such as that existing between dogs and humans, there are additional challenges since some elements of the expression of emotions are species-specific. Given that faces provide important visual cues for communicating emotional state in both humans and dogs, and that processing of emotions is subject to brain lateralisation, we investigated lateral gaze bias in adult dogs when presented with pictures of expressive human and dog faces. Our analysis revealed clear differences in laterality of eye movements in dogs towards conspecific faces according to the emotional valence of the expressions. Differences were also found towards human faces, but to a lesser extent. For comparative purpose, a similar experiment was also run with 4-year-old children and it was observed that they showed differential processing of facial expressions compared to dogs, suggesting a species-dependent engagement of the right or left hemisphere in processing emotions.Anaïs RaccaKun GuoKerstin MeintsDaniel S MillsPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 4, p e36076 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anaïs Racca Kun Guo Kerstin Meints Daniel S Mills Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
description	Sensitivity to the emotions of others provides clear biological advantages. However, in the case of heterospecific relationships, such as that existing between dogs and humans, there are additional challenges since some elements of the expression of emotions are species-specific. Given that faces provide important visual cues for communicating emotional state in both humans and dogs, and that processing of emotions is subject to brain lateralisation, we investigated lateral gaze bias in adult dogs when presented with pictures of expressive human and dog faces. Our analysis revealed clear differences in laterality of eye movements in dogs towards conspecific faces according to the emotional valence of the expressions. Differences were also found towards human faces, but to a lesser extent. For comparative purpose, a similar experiment was also run with 4-year-old children and it was observed that they showed differential processing of facial expressions compared to dogs, suggesting a species-dependent engagement of the right or left hemisphere in processing emotions.
format	article
author	Anaïs Racca Kun Guo Kerstin Meints Daniel S Mills
author_facet	Anaïs Racca Kun Guo Kerstin Meints Daniel S Mills
author_sort	Anaïs Racca
title	Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
title_short	Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
title_full	Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
title_fullStr	Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
title_full_unstemmed	Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
title_sort	reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/12400c91fdcb4a1698b30bb17c4e436a
work_keys_str_mv	AT anaisracca readingfacesdifferentiallateralgazebiasinprocessingcanineandhumanfacialexpressionsindogsand4yearoldchildren AT kunguo readingfacesdifferentiallateralgazebiasinprocessingcanineandhumanfacialexpressionsindogsand4yearoldchildren AT kerstinmeints readingfacesdifferentiallateralgazebiasinprocessingcanineandhumanfacialexpressionsindogsand4yearoldchildren AT danielsmills readingfacesdifferentiallateralgazebiasinprocessingcanineandhumanfacialexpressionsindogsand4yearoldchildren
_version_	1718423580461498368

Reading faces: differential lateral gaze bias in processing canine and human facial expressions in dogs and 4-year-old children.

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