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Are Eyes a Mirror of the Soul? What Eye Wrinkles Reveal about a Horse’s Emotional State
Finding valid indicators of emotional states is one of the biggest challenges in animal welfare science. Here, we investigated in horses whether variation in the expression of eye wrinkles caused by contraction of the inner eyebrow raiser reflects emotional valence. By confronting horses with positi...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2016
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5061373/ https://www.ncbi.nlm.nih.gov/pubmed/27732647 http://dx.doi.org/10.1371/journal.pone.0164017 |