| Records |
| Author |
Guidi, A.; Lanata, A.; Valenza, G.; Scilingo, E.P.; Baragli, P. |
| Title |
Validation of smart textile electrodes for electrocardiogram monitoring in free-moving horses |
Type |
Journal Article |
Year  |
2017 |
Publication |
Journal of Veterinary Behavior: Clinical Applications and Research |
Abbreviated Journal |
J. Vet. Behav. |
| Volume |
17 |
Issue |
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Pages |
19-23 |
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| Abstract |
This article focuses on the validation of smart textile electrodes used to acquire electrocardiogram (ECG) signals in horses in a comfortable and robust manner. The performance of smart textile electrodes is compared with standard Ag/AgCl electrodes in terms of the percentage of motion artifacts (MAs, the noise that results from the movement of electrodes against the skin) and signal quality. Seven healthy Standardbred mares were equipped with 2 identical electronic systems for the simultaneous collection of ECGs. One system was equipped with smart textile electrodes, whereas the second was equipped with standard Ag/AgCl electrodes. Each horse was then monitored individually in a stall for 1 hour, without any movement constraints. The ECGs were visually examined by an expert who blindly labeled the ECG segments that had been corrupted by MAs. Finally, the percentage of MAs (MA%) was computed as the number of samples of the corrupted segments over the whole length of the signal. The total MA% was found to be lower for the smart textiles than for the Ag/AgCl electrodes. Consistent results were also obtained by investigating MAs over time. These results suggest that smart textile electrodes are more reliable when recording artifact-free ECGs in horses at rest. Thus, improving the acquisition of important physiological information related to the activity of the autonomic nervous system, such as heart rate variability, could help to provide reliable information on the mood and state of arousal of horses. |
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Elsevier |
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1558-7878 |
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doi: 10.1016/j.jveb.2016.10.001 |
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Equine Behaviour @ team @ |
Serial |
6213 |
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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 |
| Volume |
1 |
Issue |
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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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Nature Publishing Group SN - |
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Equine Behaviour @ team @ |
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6040 |
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| Author |
Ringhofer, M.; Yamamoto, S. |
| Title |
Erratum to: Domestic horses send signals to humans when they are faced with an unsolvable task |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
3 |
Pages |
407-407 |
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| Abstract |
Some domestic animals are thought to be skilled at social communication with humans due to the process of domestication. Horses, being in close relationship with humans, similar to dogs, might be skilled at communication with humans. Previous studies have indicated that they are sensitive to bodily signals and the attentional state of humans; however, there are few studies that investigate communication with humans and responses to the knowledge state of humans. Our first question was whether and how horses send signals to their potentially helpful but ignorant caretakers in a problem-solving situation where a food item was hidden in a bucket that was accessible only to the caretakers. We then examined whether horses alter their behaviours on the basis of the caretakers’ knowledge of where the food was hidden. We found that horses communicated to their caretakers using visual and tactile signals. The signalling behaviour of the horses significantly increased in conditions where the caretakers had not seen the hiding of the food. These results suggest that horses alter their communicative behaviour towards humans in accordance with humans’ knowledge state. |
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1435-9456 |
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Equine Behaviour @ team @ Ringhofer2017 |
Serial |
6135 |
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| Author |
Griffin, A.S.; Tebbich, S.; Bugnyar, T. |
| Title |
Animal cognition in a human-dominated world |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
1 |
Pages |
1-6 |
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In the USA, each year, up to one billion birds are estimated to die from colliding with windowpanes (Sabo et al. 2016). A further 573,000 are struck down by wind turbines, along with 888,000 bats (Smallwood 2013). Worldwide, unintended capture in fishing devices is recognized as the single most serious global threat to migratory, long-lived marine taxa including turtles, birds, mammals and sharks (Wallace et al. 2013). Estimates put the number of amphibians killed per year on Australian roads at 5 million (Seiler 2003). The likelihood of a green turtle erroneously ingesting plastic debris, often by mistaking them for food, rose from 30% in 1985 to almost 50% in 2012 (Schuyler et al. 2013). Human-induced rapid environmental change (HIREC, sensu Sih et al. 2011) is filling animals’ environments with new threats which bear little or excessive similarity to those they have encountered in their evolutionary history (Dwernychuk and Boag 1972; Patten and Kelley 2010; Witherington 1997). As a consequence, many of the stimuli involved fall outside the adaptive processing space of animals’ evolutionary perceptual, learning, memory and decision-making systems, making individuals particularly vulnerable to their impact. |
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1435-9456 |
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Equine Behaviour @ team @ Griffin2017 |
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6129 |
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| Author |
Krueger, K.; Marr, I.; Farmer, K. |
| Title |
Equine Cognition |
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Book Chapter |
| Year |
2017 |
Publication |
Encyclopedia of Animal Cognition and Behavior |
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Issue |
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Pages |
1-11 |
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Springer International Publishing |
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Cham |
Editor |
Vonk, J.; Shackelford, T. |
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978-3-319-47829-6 |
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no |
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Equine Behaviour @ team @ Krueger2017 |
Serial |
6181 |
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Ronnenberg, K.; Habbe, B.; Gräber, R.; Strauß, E.; Siebert, U. |
| Title |
Coexistence of wolves and humans in a densely populated region (Lower Saxony, Germany) |
Type |
Journal Article |
| Year |
2017 |
Publication |
Basic and Applied Ecology |
Abbreviated Journal |
Basic. Appl. Ecol. |
| Volume |
25 |
Issue |
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Pages |
1-14 |
| Keywords |
Grey wolf; ; Habitat use; Species distribution models; Predator-prey interactions |
| Abstract |
Since the first sporadic occurrences of grey wolves (Canis lupus) west of the Polish border in 1996, wolves have shown a rapid population recovery in Germany. Wolves are known to avoid people and wolf attacks on humans are very rare worldwide. However, the subjectively perceived threat is considerable, especially as food-conditioned habituation to humans occurs sporadically. Lower Saxony (Germany) has an exceedingly higher human population density than most other regions with territorial wolves; thus, the potential for human-wolf conflicts is higher. Using hunters' wildlife survey data from 455 municipalities and two years (2014-2015) and data from the official wolf monitoring (557 confirmed wolf presences and 500 background points) collected between 2012-2015, grey wolf habitat selection was modelled using generalized additive models with respect to human population density, road density, forest cover and roe deer density. Moreover, we tested whether habitat use changed in response to human population and road density between 2012/2013 and 2014/2015. Wolves showed a preference for areas of low road density. Human population density was less important as a covariate in the model of the survey data. Areas with higher prey abundance (5-10 roe deer/km2) and areas with >20% forest cover were preferred wolf habitats. Wolves were mostly restricted to areas with the lowest road and human population densities. However, between the two time periods, avoidance of human density decreased significantly. Recolonization of Germany is still in its early stages and it is unclear where this process will halt. To-date authorities mainly concentrate on monitoring measures. However, to avoid conflict, recolonization will require more stringent management of wolf populations and an improved information strategy for rural populations. |
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1439-1791 |
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Equine Behaviour @ team @ |
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6397 |
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Passilongo, D.; Marchetto, M.; Apollonio, M. |
| Title |
Singing in a wolf chorus: structure and complexity of a multicomponent acoustic behaviour |
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Journal Article |
| Year |
2017 |
Publication |
Hystrix, the Italian Journal of Mammalogy |
Abbreviated Journal |
Hysterix |
| Volume |
28 |
Issue |
2 |
Pages |
180-185 |
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| Abstract |
Wolf choruses ( Canis lupus ) are complex, multicomponent signals, composed by a series of different vocalizations emitted by a pack. Although howls, the main component, have been highly studied, poor attention has been drawn upon the other vocalizations of the chorus. In this study, we investigate the structure of the chorus by means of the analysis and the quantification of the different components, taking advantage both of the digital sound recording and analysis, and of the modern statistical methodologies. We provide for the first time a detailed, objective description of the types of call emitted during the wolf howlings, combining spectrographic examinations, spectral analyses and automated classifications, with the aim to identify different types of call. Our results show that wolf choruses have a rich, complex structure, that reveals six other types of call, to be added to those howls already described in literature. Wolf choruses are typically composed by other three different types of calls: the bark, i.e. relatively long calls characterized by low frequencies and the presence of harsh components (deterministic chaos); the whimper, characterized by a harmonic structure and a very short duration; and the growl, a call with a noisy structure, low frequencies but relative long duration. Although further investigations are necessary to understand the meaning of the different calls, this research provides a basis for those studies that aim to compare wolves and other canids vocal behaviour. |
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0394-1914 |
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Equine Behaviour @ team @ Passilongo2017 |
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6441 |
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Pawluski, J.; Jego, P.; Henry, S.; Bruchet, A.; Palme, R.; Coste, C.; Hausberger, M. |
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Low plasma cortisol and fecal cortisol metabolite measures as indicators of compromised welfare in domestic horses (Equus caballus) |
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Journal Article |
| Year |
2017 |
Publication |
Plos One |
Abbreviated Journal |
Plos One |
| Volume |
12 |
Issue |
9 |
Pages |
e0182257 |
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The hypothalamic-pituitary-adrenal (HPA) axis response to chronic stress is far from straight forward, particularly with regards to animal welfare. There are reports of no effect as well as both decreases and increases in cortisol after chronic stressors. Therefore, the first aim of the present study was to determine how measures of compromised welfare, such as chronic pain and haematological anomalies, related to cortisol levels in domestic horses (Equus caballus). Domestic horses are an informative model to investigate the impact of chronic stress (due to environment, pain, work, housing conditions...) on the HPA axis. The second aim was to determine whether levels of fecal cortisol metabolites (FCM) may be used as an indicator of welfare measures. The present study used fifty-nine horses (44 geldings and 15 mares), from three riding centres in Brittany, France. The primary findings show that horses whose welfare was clearly compromised (as indicated by an unusual ears backward position, presence of vertebral problems or haematological anomalies, e.g. anaemia) also had lower levels of both FCM and plasma cortisol. This work extends our previous findings showing that withdrawn postures, indicators of depressive-like behavior in horses, are associated with lower plasma cortisol levels. We also found that evening plasma cortisol levels positively correlated with FCM levels in horses. Future research aims to determine the extent to which factors of influence on welfare, such as living conditions (e.g. single stalls versus group housing in pasture or paddocks), early life factors, and human interaction, act as mediators of cortisol levels in horses. |
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Public Library of Science |
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Equine Behaviour @ team @ |
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6516 |
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Schwartz, L.P.; Silberberg, A.; Casey, A.H.; Kearns, D.N.; Slotnick, B. |
| Title |
Does a rat release a soaked conspecific due to empathy? |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
2 |
Pages |
299-308 |
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In Experiment 1, rats choosing in an E maze preferred to release a rat standing in a pool of water to dry ground over a rat already standing on dry ground. Five additional experiments showed that the choosing rat's preference for releasing the wet rat was maintained by two separable outcomes: (1) the social contact offered by the released rat and (2) the reinforcing value of proximity to a pool of water. These results call into question Sato et al.'s (Anim Cogn 18:1039-1047, 2015) claim to have demonstrated that a rat's releasing of a wet rat to dry ground is empathically motivated. |
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1435-9456 |
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Equine Behaviour @ team @ Schwartz2017 |
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6559 |
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Rosati, A.G. |
| Title |
Foraging Cognition: Reviving the Ecological Intelligence Hypothesis |
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Journal Article |
| Year |
2017 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends in Cognitive Sciences |
| Volume |
21 |
Issue |
9 |
Pages |
691-702 |
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What are the origins of intelligent behavior? The demands associated with living in complex social groups have been the favored explanation for the evolution of primate cognition in general and human cognition in particular. However, recent comparative research indicates that ecological variation can also shape cognitive abilities. I synthesize the emerging evidence that ?foraging cognition? ? skills used to exploit food resources, including spatial memory, decision-making, and inhibitory control ? varies adaptively across primates. These findings provide a new framework for the evolution of human cognition, given our species? dependence on costly, high-value food resources. Understanding the origins of the human mind will require an integrative theory accounting for how humans are unique in both our sociality and our ecology. |
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Elsevier |
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1364-6613 |
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doi: 10.1016/j.tics.2017.05.011 |
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Equine Behaviour @ team @ |
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6586 |
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