{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(1)"],"submitter":["Tomberg C"],"funding":["Fondation Prince Laurent"],"pubmed_abstract":["Facial micro-expressions are facial expressions expressed briefly (less than 500 ms) and involuntarily. Described only in humans, we investigated whether micro-expressions could also be expressed by non-human animal species. Using the Equine Facial action coding system (EquiFACS), an objective tool based on facial muscles actions, we demonstrated that a non-human species, Equus caballus, is expressing facial micro-expressions in a social context. The AU17, AD38 and AD1 were selectively modulated as micro-expression-but not as standard facial expression (all durations included)-in presence of a human experimenter. As standard facial expressions, they have been associated with pain or stress but our results didn't support this association for micro-expressions which may convey other informat"],"journal":["Scientific reports"],"pagination":["8625"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10224940"],"repository":["biostudies-literature"],"pubmed_title":["Horses (Equus caballus) facial micro-expressions: insight into discreet social information."],"pmcid":["PMC10224940"],"pubmed_authors":["Tomberg C","de Selliers de Moranville LA","Petagna M"],"additional_accession":[]},"is_claimable":false,"name":"Horses (Equus caballus) facial micro-expressions: insight into discreet social information.","description":"Facial micro-expressions are facial expressions expressed briefly (less than 500 ms) and involuntarily. Described only in humans, we investigated whether micro-expressions could also be expressed by non-human animal species. Using the Equine Facial action coding system (EquiFACS), an objective tool based on facial muscles actions, we demonstrated that a non-human species, Equus caballus, is expressing facial micro-expressions in a social context. The AU17, AD38 and AD1 were selectively modulated as micro-expression-but not as standard facial expression (all durations included)-in presence of a human experimenter. As standard facial expressions, they have been associated with pain or stress but our results didn't support this association for micro-expressions which may convey other informat","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 May","modification":"2025-05-29T16:22:33.397Z","creation":"2025-05-29T16:22:33.397Z"},"accession":"S-EPMC10224940","cross_references":{"pubmed":["37244937"],"doi":["10.1038/s41598-023-35807-z"]}}