Acute and chronic stress alter behavioral laterality in dogs

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Date

2023-03-01

Author

Salgırlı Demirbaş, Yasemin
Isparta, Sevim
Saral, Begüm
Keskin Yılmaz, Nevra
Adıay, Deniz
Matsui, Hiroshi
Töre Yargın, Gülşen
Mustafa, Saad Adam
Atılgan, Durmuş
Öztürk, Hakan
Çınar Kul, Bengi
Şafak, Celalettin Etkin
Ocklenburg, Sebastian
Güntürkün, Onur

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Dogs are one of the key animal species in investigating the biological mechanisms of behavioral laterality. Cerebral asymmetries are assumed to be influenced by stress, but this subject has not yet been studied in dogs. This study aims to investigate the effect of stress on laterality in dogs by using two different motor laterality tests: the Kong™ Test and a Food-Reaching Test (FRT). Motor laterality of chronically stressed (n = 28) and emotionally/physically healthy dogs (n = 32) were determined in two different environments, i.e., a home environment and a stressful open field test (OFT) environment. Physiological parameters including salivary cortisol, respiratory rate, and heart rate were measured for each dog, under both conditions. Cortisol results showed that acute stress induction by OFT was successful. A shift towards ambilaterality was detected in dogs after acute stress. Results also showed a significantly lower absolute laterality index in the chronically stressed dogs. Moreover, the direction of the first paw used in FRT was a good predictor of the general paw preference of an animal. Overall, these results provide evidence that both acute and chronic stress exposure can change behavioral asymmetries in dogs.

URI

https://www.nature.com/articles/s41598-023-31213-7
https://hdl.handle.net/11511/102660

Journal

SCIENTIFIC REPORTS

DOI

https://doi.org/10.1038/s41598-023-31213-7

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Department of Industrial Design, Article

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Citation Formats

Y. Salgırlı Demirbaş et al., “Acute and chronic stress alter behavioral laterality in dogs,” SCIENTIFIC REPORTS, vol. 13, no. 1, pp. 1–13, 2023, Accessed: 00, 2023. [Online]. Available: https://www.nature.com/articles/s41598-023-31213-7.