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Author |
Siniscalchi, M.; Padalino, B.; Aubé, L.; Quaranta, A. |
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Title |
Right-nostril use during sniffing at arousing stimuli produces higher cardiac activity in jumper horses |
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Journal Article |
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Year |
2015 |
Publication |
Laterality: Asymmetries of Body, Brain and Cognition |
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Laterality |
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Volume |
20 |
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4 |
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483-500 |
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Abstract |
Lateralization in horses, Equus caballus, has been reported at both motor and sensory levels. Here we investigated left- and right-nostril use in 12 jumper horses freely sniffing different emotive stimuli. Results revealed that during sniffing at adrenaline and oestrus mare urine stimuli, horses showed a clear right-nostril bias while just a tendency in the use of the right nostril was observed during sniffing of other odours (food, cotton swab and repellent). Sniffing at adrenaline and urine odours was also accompanied by increasing cardiac activity and behavioural reactivity strengthening the role of the right hemisphere in the analysis of intense emotion and sexual behaviour. |
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Routledge |
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1357-650x |
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doi: 10.1080/1357650X.2015.1005629 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6208 |
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Author |
Byrne, R.W. |
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Title |
Do larger brains mean greater intelligence? |
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Journal Article |
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Year |
1993 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav. Brain Sci. |
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16 |
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4 |
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696-697 |
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Cambridge University Press |
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1469-1825 |
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Equine Behaviour @ team @ |
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6171 |
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Author |
Byrne, R.W.; Whiten, A. |
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Title |
Tactical deception in primates: the 1990 database |
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Book Whole |
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Year |
1990 |
Publication |
Primate Reports |
Abbreviated Journal |
Primate Rep. |
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27 |
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1-101 |
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German Primate Center |
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Equine Behaviour @ team @ |
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6172 |
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Author |
Gabor, V.; Gerken, M. |
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Title |
Shetland ponies (Equus caballus) show quantity discrimination in a matching-to-sample design |
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Journal Article |
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Year |
2014 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
17 |
Issue |
6 |
Pages |
1233-1243 |
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Abstract |
Numerical competence is one of the aspects of animal cognition with a long history of research interest, but few results are available for the horse. In the present study, we investigated the ability of three Shetland ponies to discriminate between different quantities of geometric symbols presented on a computer screen in a matching-to-sample arrangement. In Experiment 1, the ponies had to relate two similar quantities to another, paired in contrasts (1 vs. 2, 3 vs. 4 and 4 vs. 5) of the same stimulus (dot). Specific pairs of quantities (all differing by one) of up to five different geometrical symbols were displayed in Experiment 2. In each session, both quantities (more and less) were used as sample in such a way that each of the two quantities presented in one test served as positive and as negative stimulus, respectively. The three Shetland ponies were able to discriminate between the given quantities of dots by showing more than 80 % correct responses in two consecutive sessions. Only one of the ponies distinguished different shapes of geometric symbols at a level of 4 versus 5 items. The results show that all ponies were capable of visual quantity discrimination in the present matching-to-sample design, but task solving seemed more difficult when quantities were composed of heterogeneous stimuli. The present results confirm our hypothesis that the ponies based their decision on the matching concept of sameness and were not biased by a spontaneous preference for higher quantities. |
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1435-9456 |
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Equine Behaviour @ team @ Gabor2014 |
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6174 |
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Author |
Lanata, A.; Guidi, A.; Valenza, G.; Baragli, P.; Scilingo, E. P. |
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Title |
The Role of Nonlinear Coupling in Human-Horse Interaction: a Preliminary Study |
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Conference Article |
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Year |
2017 |
Publication |
2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) |
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EMBC |
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This study focuses on the analysis of humanhorse
dynamic interaction using cardiovascular information
exclusively. Specifically, the Information Theoretic Learning
(ITL) approach has been applied to a Human-Horse Interaction
paradigm, therefore accounting for the nonlinear information
of the heart-heart interplay between humans and horses.
Heartbeat dynamics was gathered from humans and horses
during three experimental conditions: absence of interaction,
visual-olfactory interaction, and brooming. Cross Information
Potential, Cross Correntropy, and Correntropy Coefficient were
computed to quantitatively estimate nonlinear coupling in a
group of eleven subjects and one horse. Results showed a
statistical significant difference on all of the three interaction
phases. Furthermore, a Support Vector Machine classifier
recognized the three conditions with an accuracy of 90:9%.
These preliminary and encouraging results suggest that ITL
analysis provides viable metrics for the quantitative evaluation
of human-horse interaction. |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6176 |
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Author |
Baragli, P.; Paoletti, E.; Vitale, V.; Sighieri, C. |
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Title |
Looking in the correct location for a hidden object: brief note about the memory of donkeys (Equus asinus) |
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Journal Article |
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Year |
2011 |
Publication |
Ethology Ecology & Evolution |
Abbreviated Journal |
Ethology Ecology & Evolution |
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Volume |
23 |
Issue |
2 |
Pages |
187-192 |
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Abstract |
In recent years, considerable literature has been published on cognition in horses; however, much less is known about the cognitive abilities of domestic donkey (Equus asinus). This study aimed to expand our knowledge of donkey cognition by assessing their short-term memory capacity. We employed a detour problem combined with the classic delayed-response task, which has been extensively used to compare working memory duration in a variety of different species. A two-point choice apparatus was used to investigate location recall and search behaviour for a food target, after a short delay following its disappearance. Four donkeys completed the task with a 10 sec delay, while four others were tested with a 30 sec delay. Overall, each group performed above chance level on the test, showing that subjects had successfully encoded, maintained, and retrieved the existence and location of the target despite the loss of visual contact. |
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Taylor & Francis |
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0394-9370 |
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doi: 10.1080/03949370.2011.554885 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6177 |
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Author |
Baragli, P.; Vitale, V.; Paoletti, E.; Mengoli, M.; Sighieri, C. |
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Title |
Encoding the Object Position for Assessment of Short Term Spatial Memory in Horses (Equus caballus) |
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Journal Article |
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Year |
2011 |
Publication |
International Journal of Comparative Psychology |
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Volume |
24 |
Issue |
3 |
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Abstract |
In this study, the detour problem was combined with the classic delayed-response task to investigate equine short-term spatial memory. Test subjects were eight female horses, divided into two groups (A and B) of four subjects each. The motivating object was made to move and disappear behind one oftwo identical obstacles in a two-point-choice apparatus. After a 10 s (Group A) or 30 s (Group B) delay the animal was released to seek the object. Both groups made more correct (14.8 ± 1.3 forGroup A and 13.5 ± 3.1 for Group B, mean ± SD) than incorrect choices (5.3 ± 1.3 for Group A and6.5 ± 3.1 for Group B, mean ± SD) and the performance of each group was significantly above chance level (z = 4.14, p = 0.000, for Group A and z = 3.02, p = 0.002, for Group B). Therefore, tested animals were able to recover the object by approaching the correct obstacle after 10 s or 30 s delays, showing that they had encoded and recovered from memory the existence of the target object and its location. |
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ISSN |
2168-3344 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6178 |
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Author |
Wolfrum, V.; Krueger, K. |
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Title |
Pferdegestützte Therapie für Flüchtlingskinder |
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Journal Article |
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Year |
2017 |
Publication |
mensch & pferd international |
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mup |
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2 |
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65-68 |
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Abstract |
Das Projekt    Viele Flüchtlinge kommen aus Kriegsgebieten zu uns nach Deutschland in der Hoffnung, hier ein neues Leben in Frieden beginnen zu können. Ein Großteil von ihnen hat Schreckliches erlebt und mit diesen Erinnerungen zu kämpfen. Auch ist es nicht einfach, in einem fremden Land mit einer fremden Kultur Fuß zu fassen, sich zu integrieren und neue Freundschaften zu schließen. |
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Equine Behaviour @ team @ |
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6179 |
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Author |
Krueger, K.; Marr, I.; Farmer, K. |
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Title |
Equine Cognition |
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Book Chapter |
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Year |
2017 |
Publication |
Encyclopedia of Animal Cognition and Behavior |
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1-11 |
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Springer International Publishing |
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Cham |
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Vonk, J.; Shackelford, T. |
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978-3-319-47829-6 |
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Equine Behaviour @ team @ Krueger2017 |
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6181 |
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Author |
Collins, G.H.; Petersen, S.L.; Carr, C.A.; Pielstick, L. |
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Title |
Testing VHF/GPS Collar Design and Safety in the Study of Free-Roaming Horses |
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Journal Article |
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2014 |
Publication |
Plos One |
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Plos One |
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9 |
Issue |
9 |
Pages |
e103189 |
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Effective and safe monitoring techniques are needed by U.S. land managers to understand free-roaming horse behavior and habitat use and to aid in making informed management decisions. Global positioning system (GPS) and very high frequency (VHF) radio collars can be used to provide high spatial and temporal resolution information for detecting free-roaming horse movement. GPS and VHF collars are a common tool used in wildlife management, but have rarely been used for free-roaming horse research and monitoring in the United States. The purpose of this study was to evaluate the design, safety, and detachment device on GPS/VHF collars used to collect free-roaming horse location and movement data. Between 2009 and 2010, 28 domestic and feral horses were marked with commercial and custom designed VHF/GPS collars. Individual horses were evaluated for damage caused by the collar placement, and following initial observations, collar design was modified to reduce the potential for injury. After collar modifications, which included the addition of collar length adjustments to both sides of the collar allowing for better alignment of collar and neck shapes, adding foam padding to the custom collars to replicate the commercial collar foam padding, and repositioning the detachment device to reduce wear along the jowl, we observed little to no evidence of collar wear on horses. Neither custom-built nor commercial collars caused injury to study horses, however, most of the custom-built collars failed to collect data. During the evaluation of collar detachment devices, we had an 89% success rate of collar devices detaching correctly. This study showed that free-roaming horses can be safely marked with GPS and/or VHF collars with minimal risk of injury, and that these collars can be a useful tool for monitoring horses without creating a risk to horse health and wellness. |
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Public Library of Science |
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Equine Behaviour @ team @ |
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6209 |
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