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| Author | Krueger, K. | ||||
| Title | Perissodactyla Cognition | Type | Book Chapter | ||
| Year | 2017 | Publication | Encyclopedia of Animal Cognition and Behavior | Abbreviated Journal | |
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Issue | Pages | 1-10 | ||
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| Publisher | Springer International Publishing | Place of Publication | Cham | Editor | Vonk, J.; Shackelford, T. |
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| ISSN | ISBN | 978-3-319-47829-6 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ Krueger2017 | Serial | 6187 | ||
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| Author | Rocha, A.D. de L.; Menescal-de-Oliveira, L.; da Silva, L.F.S. | ||||
| Title | Effects of human contact and intra-specific social learning on tonic immobility in guinea pigs, Cavia porcellus | Type | Journal Article | ||
| Year | 2017 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
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| Keywords | Cohabitation; Fear; Motor response; Defensive behaviour; Predator-prey | ||||
| Abstract | Abstract Social learning is the capacity of animals to acquire adaptive information from others. In the case of fear responses, animals can learn fearful or non-fearful responses by observing the behavior of conspecifics. Tonic immobility (TI) is an anti-predatory behavior elicited during intense fear situations. Studies have revealed that regular contact with humans can reduce TI responses in animals. In our study, we evaluated the effect of human contact on the TI responses in guinea pigs. We also evaluated the effect of cohabitation (non-fearful animals with fearful animals) on their TI responses. To achieve this, we measured the TI responses induced by postural inversion and restraint in guinea pigs as a result of different treatments. In our first experiment, we determined the effect of human contact on TI responses by establishing 3 treatment groups: no contact, handled, and habituated. In our second experiment, we addressed the effect of social learning on TI response by testing TI response in habituated, and unhabituated animals that had cohabitated for 10 days. In the first experiment, 10 days of either handling or habituation did not prevent TI in guinea pigs, but habituation did increase latency [F(2,119) = 14.19; p < 0.0001] and handling or habituation decrease duration [F(2,119) = 15.01; p < 0.0001] of the TI behavior in the guinea pigs. In the second experiment, the cohabitation of unhabituated and habituated animals reduced TI duration [F(2,93) = 5.058; p < 0.008]. These data suggest that both forms of human interaction can reduce experimenter fear in guinea pigs. It therefore seems that unhabituated guinea pigs learn not to fear the experimenter by cohabitating with habituated guinea pigs. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6133 | ||
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| Author | Hoffman, C.L.; Suchak, M. | ||||
| Title | Dog rivalry impacts following behavior in a decision-making task involving food | Type | Journal Article | ||
| Year | 2017 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
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Issue | Pages | 1-13 | ||
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| Abstract | Dogs learn a great deal from humans and other dogs. Previous studies of socially influenced learning between dogs have typically used a highly trained demonstrator dog who is unfamiliar to the observer. Because of this, it is unknown how dynamics between familiar dogs may influence their likelihood of learning from each other. In this study, we tested dogs living together in two-dog households on whether individual dogs’ rivalry scores were associated with performance on a local enhancement task. Specifically, we wanted to know whether dog rivalry impacted whether an observer dog would approach a plate from which a demonstrator dog had eaten all available food, or whether the observer dog would approach the adjacent plate that still contained food. Dog rivalry scores were calculated using the Canine Behavioral Assessment and Research Questionnaire and indicated each dog’s tendency to engage aggressively with the other household dog. Low-rivalry dogs were more likely to approach the empty plate than high-rivalry dogs when the observer dog was allowed to approach the plates immediately after the demonstrator had moved out of sight. This difference between low- and high-rivalry dogs disappeared, however, when observer dogs had to wait 5 s before approaching the plates. The same pattern was observed during a control condition when a human removed the food from a plate. Compared to low-rivalry dogs, high-rivalry dogs may pay less attention to other dogs due to a low tolerance for having other dogs in close proximity. | ||||
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| ISSN | 1435-9456 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ Hoffman2017 | Serial | 6131 | ||
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| Author | Rogers, L.J. | ||||
| Title | A Matter of Degree: Strength of Brain Asymmetry and Behaviour | Type | |||
| Year | 2017 | Publication | Symmetry | Abbreviated Journal | Symmetry |
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| Keywords | functional asymmetry; strength of lateralization; direction of lateralization; advantages; disadvantages; vertebrate species; limb preference; eye bias | ||||
| Abstract | Research on a growing number of vertebrate species has shown that the left and right sides of the brain process information in different ways and that lateralized brain function is expressed in both specific and broad aspects of behaviour. This paper reviews the available evidence relating strength of lateralization to behavioural/cognitive performance. It begins by considering the relationship between limb preference and behaviour in humans and primates from the perspectives of direction and strength of lateralization. In birds, eye preference is used as a reflection of brain asymmetry and the strength of this asymmetry is associated with behaviour important for survival (e.g., visual discrimination of food from non-food and performance of two tasks in parallel). The same applies to studies on aquatic species, mainly fish but also tadpoles, in which strength of lateralization has been assessed as eye preferences or turning biases. Overall, the empirical evidence across vertebrate species points to the conclusion that stronger lateralization is advantageous in a wide range of contexts. Brief discussion of interhemispheric communication follows together with discussion of experiments that examined the effects of sectioning pathways connecting the left and right sides of the brain, or of preventing the development of these left-right connections. The conclusion reached is that degree of functional lateralization affects behaviour in quite similar ways across vertebrate species. Although the direction of lateralization is also important, in many situations strength of lateralization matters more. Finally, possible interactions between asymmetry in different sensory modalities is considered. | ||||
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| Series Editor | Series Title | Abbreviated Series Title | Symmetry | ||
| Series Volume | 9 | Series Issue | 4 | Edition | |
| ISSN | 2073-8994 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6167 | ||
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| Author | Lanata, A.; Guidi, A.; Valenza, G.; Baragli, P.; Scilingo, E. P. | ||||
| Title | The Role of Nonlinear Coupling in Human-Horse Interaction: a Preliminary Study | Type | Conference Article | ||
| Year | 2017 | Publication | 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) | Abbreviated Journal | EMBC |
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| Abstract | 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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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6176 | ||
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| Author | Krueger, K.; Marr, I.; Farmer, K. | ||||
| Title | Equine Cognition | Type | Book Chapter | ||
| Year | 2017 | Publication | Encyclopedia of Animal Cognition and Behavior | Abbreviated Journal | |
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Issue | Pages | 1-11 | ||
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| Publisher | Springer International Publishing | Place of Publication | Cham | Editor | Vonk, J.; Shackelford, T. |
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| ISSN | ISBN | 978-3-319-47829-6 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ Krueger2017 | Serial | 6181 | ||
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| Author | Karenina, K.; Giljov, A.; Ingram, J.; Rowntree, V.J.; Malashichev, Y. | ||||
| Title | Lateralization of mother�infant interactions in a diverse range of mammal species | Type | Journal Article | ||
| Year | 2017 | Publication | Nature Ecology & Evolution | Abbreviated Journal | Nat Ecol Evol |
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1 | Issue | Pages | 0030 Ep - | |
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| Abstract | Left-cradling bias is a distinctive feature of maternal behaviour in humans and great apes, but its evolutionary origin remains unknown. In 11 species of marine and terrestrial mammal, we demonstrate consistent patterns of lateralization in mother�infant interactions, indicating right hemisphere dominance for social processing. In providing clear evidence that lateralized positioning is beneficial in mother�infant interactions, our results illustrate a significant impact of lateralization on individual fitness. | ||||
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| Publisher | Nature Publishing Group SN - | Place of Publication | Editor | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6040 | ||
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| Author | Wolfrum, V.; Krueger, K. | ||||
| Title | Pferdegestützte Therapie für Flüchtlingskinder | Type | Journal Article | ||
| Year | 2017 | Publication | mensch & pferd international | Abbreviated Journal | mup |
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2 | Issue | Pages | 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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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6179 | ||
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| Author | Knolle, F.; Goncalves, R.P.; Morton, A.J. | ||||
| Title | Sheep recognize familiar and unfamiliar human faces from two-dimensional images | Type | Journal Article | ||
| Year | 2017 | Publication | Royal Society Open Science | Abbreviated Journal | |
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4 | Issue | 11 | Pages | |
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| Abstract | One of the most important human social skills is the ability to recognize faces. Humans recognize familiar faces easily, and can learn to identify unfamiliar faces from repeatedly presented images. Sheep are social animals that can recognize other sheep as well as familiar humans. Little is known, however, about their holistic face-processing abilities. In this study, we trained eight sheep (Ovis aries) to recognize the faces of four celebrities from photographic portraits displayed on computer screens. After training, the sheep chose the 'learned-familiar' faces rather than the unfamiliar faces significantly above chance. We then tested whether the sheep could recognize the four celebrity faces if they were presented in different perspectives. This ability has previously been shown only in humans. Sheep successfully recognized the four celebrity faces from tilted images. Interestingly, there was a drop in performance with the tilted images (from 79.22 ± 7.5% to 66.5 ± 4.1%) of a magnitude similar to that seen when humans perform this task. Finally, we asked whether sheep could recognize a very familiar handler from photographs. Sheep identified the handler in 71.8 ± 2.3% of the trials without pretraining. Together these data show that sheep have advanced face-recognition abilities, comparable with those of humans and non-human primates. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 6197 | ||
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| Author | Sebastiano, M.; Eens, M.; Angelier, F.; Pineau, K.; Chastel, O.; Costantini, D. | ||||
| Title | Corticosterone, inflammation, immune status and telomere length in frigatebird nestlings facing a severe herpesvirus infection | Type | Journal Article | ||
| Year | 2017 | Publication | Conservation Physiology | Abbreviated Journal | Conserv. Physiol. |
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5 | Issue | 1 | Pages | cow073-cow073 |
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| Abstract | Herpesvirus outbreaks are common in natural animal populations, but little is known about factors that favour the infection and its consequences for the organism. In this study, we examined the pathophysiological consequences of a disease probably attributable to herpesvirus infection for several markers of immune function, corticosterone, telomere length and inflammation. In addition, we assessed whether any markers used in this study might be associated with the occurrence of visible clinical signs of the disease and its impact on short-term survival perspectives. To address our questions, in spring 2015, we collected blood samples from nestlings of the magnificent frigatebird (Fregata magnificens) that were free of any clinical signs or showed visible signs of the disease. We found that the plasma concentration of haptoglobin was strongly associated with the infection status and could predict probabilities of survival. We also found that nestlings with clinical signs had lower baseline corticosterone concentrations and similar telomere length compared with healthy nestlings, whereas we did not find any association of the infection status with innate immune defenses or with nitric oxide concentration. Overall, our results suggest that the plasma concentration of haptoglobin might be a valuable tool to assess survival probabilities of frigatebird nestlings facing a herpesvirus outbreak. | ||||
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| Notes | 10.1093/conphys/cow073 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6042 | ||
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