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The odour of an unfamiliar stressed or relaxed person affects dogs' responses to a cognitive bias test.

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العنوان: The odour of an unfamiliar stressed or relaxed person affects dogs' responses to a cognitive bias test.
المؤلفون: Parr-Cortes Z; Bristol Veterinary School, University of Bristol, Bristol, BS40 5DU, UK. zc0342@my.bristol.ac.uk.; School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK. zc0342@my.bristol.ac.uk., Müller CT; School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK., Talas L; Bristol Veterinary School, University of Bristol, Bristol, BS40 5DU, UK., Mendl M; Bristol Veterinary School, University of Bristol, Bristol, BS40 5DU, UK., Guest C; Medical Detection Dogs, Milton Keynes, MK17 0NP, UK., Rooney NJ; Bristol Veterinary School, University of Bristol, Bristol, BS40 5DU, UK.; Medical Detection Dogs, Milton Keynes, MK17 0NP, UK.
المصدر: Scientific reports [Sci Rep] 2024 Jul 22; Vol. 14 (1), pp. 15843. Date of Electronic Publication: 2024 Jul 22.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مواضيع طبية MeSH: Odorants* , Cognition*/physiology , Stress, Psychological* , Behavior, Animal*/physiology, Animals ; Dogs ; Humans ; Male ; Female ; Smell/physiology ; Cues ; Learning/physiology
مستخلص: Dogs can discriminate stressed from non-stressed human odour samples, but the effect on their cognition is unstudied. Using a cognitive bias task, we tested how human odours affect dogs' likelihood of approaching a food bowl placed at three ambiguous locations ("near-positive", "middle" and "near-negative") between trained "positive" (rewarded) and "negative" (unrewarded) locations. Using odour samples collected from three unfamiliar volunteers during stressful and relaxing activities, we tested eighteen dogs under three conditions: no odour, stress odour and relaxed odour, with the order of test odours counterbalanced across dogs. When exposed to stress odour during session three, dogs were significantly less likely to approach a bowl placed at one of the three ambiguous locations (near-negative) compared to no odour, indicating possible risk-reduction behaviours in response to the smell of human stress. Dogs' learning of trained positive and negative locations improved with repeated testing and was significant between sessions two and three only when exposed to stress odour during session three, suggesting odour influenced learning. This is the first study to show that without visual or auditory cues, olfactory cues of human stress may affect dogs' cognition and learning, which, if true, could have important consequences for dog welfare and working performance.
(© 2024. The Author(s).)
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معلومات مُعتمدة: BB/M009122/1 United Kingdom BB_ Biotechnology and Biological Sciences Research Council
فهرسة مساهمة: Keywords: Animal cognition; Dogs; Emotions; Human chemosignals; Stress
تواريخ الأحداث: Date Created: 20240722 Date Completed: 20240722 Latest Revision: 20240730
رمز التحديث: 20240730
مُعرف محوري في PubMed: PMC11263577
DOI: 10.1038/s41598-024-66147-1
PMID: 39039125
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/s41598-024-66147-1