| Records |
| Author |
Beery, A.K.; Kaufer, D. |
| Title |
Stress, social behavior, and resilience: Insights from rodents |
Type |
Journal Article |
Year  |
2015 |
Publication |
Neurobiology of Stress |
Abbreviated Journal |
Neurobiol. Stress |
| Volume |
1 |
Issue |
Stress Resilience |
Pages |
116-127 |
| Keywords |
Stress; Anxiety; Social behavior; Sociality; Social stress; Social buffering |
| Abstract |
The neurobiology of stress and the neurobiology of social behavior are deeply intertwined. The social environment interacts with stress on almost every front: social interactions can be potent stressors; they can buffer the response to an external stressor; and social behavior often changes in response to stressful life experience. This review explores mechanistic and behavioral links between stress, anxiety, resilience, and social behavior in rodents, with particular attention to different social contexts. We consider variation between several different rodent species and make connections to research on humans and non-human primates. |
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2352-2895 |
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Equine Behaviour @ team @ |
Serial |
6413 |
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| Author |
Quaresmini, C.; Forrester, G.S.; Spiezio, C.; Vallortigara, G. |
| Title |
Social environment elicits lateralized behaviors in gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes) |
Type |
Journal Article |
| Year |
2014 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
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| Volume |
128 |
Issue |
3 |
Pages |
276-284 |
| Keywords |
*Animal Ethology; *Animal Social Behavior; *Chimpanzees; *Gorillas; *Social Influences; Cerebral Dominance; Lateral Dominance; Social Environments |
| Abstract |
The influence of the social environment on lateralized behaviors has now been investigated across a wide variety of animal species. New evidence suggests that the social environment can modulate behavior. Currently, there is a paucity of data relating to how primates navigate their environmental space, and investigations that consider the naturalistic context of the individual are few and fragmented. Moreover, there are competing theories about whether only the right or rather both cerebral hemispheres are involved in the processing of social stimuli, especially in emotion processing. Here we provide the first report of lateralized social behaviors elicited by great apes. We employed a continuous focal animal sampling method to record the spontaneous interactions of a captive zoo-living colony of chimpanzees (Pan troglodytes) and a biological family group of peer-reared western lowland gorillas (Gorilla gorilla gorilla). We specifically focused on which side of the body (i.e., front, rear, left, right) the focal individual preferred to keep conspecifics. Utilizing a newly developed quantitative corpus-coding scheme, analysis revealed both chimpanzees and gorillas demonstrated a significant group-level preference for focal individuals to keep conspecifics positioned to the front of them compared with behind them. More interestingly, both groups also manifested a population-level bias to keep conspecifics on their left side compared with their right side. Our findings suggest a social processing dominance of the right hemisphere for context-specific social environments. Results are discussed in light of the evolutionary adaptive value of social stimulus as a triggering factor for the manifestation of group-level lateralized behaviors. (PsycINFO Database Record (c) 2016 APA, all rights reserved) |
| Address |
Quaresmini, Caterina: Department of Psychology and Cognitive Sciences, University of Trento, Corso Bettini 31, Rovereto, Italy, 38068, caterina.quaresmini@gmail.com |
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American Psychological Association |
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Us |
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1939-2087(Electronic),0735-7036(Print) |
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Equine Behaviour @ team @ 2014-13828-001 |
Serial |
6396 |
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| Author |
Hori, Y.; Takimoto, A.; Fujita, K. |
| Title |
Are there breed difference in referential behavior in horses (Equus caballus)? |
Type |
Conference Article |
| Year |
2012 |
Publication |
Proceedings of the 2. International Equine Science Meeting |
Abbreviated Journal |
Proc. 2. Int. Equine. Sci. Mtg |
| Volume |
in press |
Issue |
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Pages |
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| Keywords |
breed difference, social behavior, referential behavior |
| Abstract |
Domesticated animals are characterized by variability of breeds. There is a great diversity in body size and/or coat color between different breeds. However, there are few scientific researches about difference in cognition and behavior between breeds. Comparison of behavior between breeds may be useful for the study of genetics behind the diversity of cognition and behavior. In the present study, we investigated behavioral differences between horse breeds. We tested two different breeds which have different histories, thoroughbreds and creoles. Thoroughbreds are racing horses which have been exposed to strict selection toward racing performance for about 300 years. Creoles are descendents of horses which were brought to South America by Spanish people in 15th century and used by native cowboys for riding. We compared the behavior in a difficult situation by using an “unsolvable task”. The experimenter put a food reward into a transparent box and closed it firmly so that horses could not take the reward. We compared the referential behavior (gazing behavior toward the experimenter) between thoroughbreds and creoles. We analyzed referential behavior by using generalized linear models (GLM) and model selection by Akaike’s information criterion (AIC). There were no effect of breed in the frequency and the duration of the referential behavior. But the latency before looking at the experimenter tended to be shorter in thoroughbreds than in creoles. This result suggests that there may be breed differences in horses’ social cognition and behavior. However, the effect of sex was also seen. Furthermore, we could not exclude the environmental effect (e. g. feeding environments, trainings) in this study. So we cannot explain the variation in referential behavior by breed effect only. We need to replicate the result by controlling environmental effects. |
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| Corporate Author |
Hori, Y. |
Thesis |
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| Publisher |
Xenophon Publishing |
Place of Publication |
Wald |
Editor |
Krueger, K. |
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978-3-9808134-26 |
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no |
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Equine Behaviour @ team @ |
Serial |
5509 |
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| Author |
Takimoto, A.; Kuroshima, H.; Fujita, K. |
| Title |
Capuchin monkeys (Cebus apella) are sensitive to others’ reward: an experimental analysis of food-choice for conspecifics |
Type |
Journal Article |
| Year |
2010 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
13 |
Issue |
2 |
Pages |
249-261 |
| Keywords |
Other-regarding preference – Prosocial behavior – Inequity aversion – Food sharing – Social sensitivity – Capuchin monkeys |
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Abstract The issue whether non-human primates have other-regarding preference and/or inequity aversion has been under debate. We investigated whether tufted capuchin monkeys are sensitive to others’ reward in various experimental food sharing settings. Two monkeys faced each other. The operator monkey chose one of two food containers placed between the participants, each containing a food item for him/herself and another for the recipient. The recipient passively received either high- or low-value food depending on the operator’s choice, whereas the operator obtained the same food regardless of his/her choice. The recipients were either the highest- or lowest-ranking member of the group, and the operators were middle-ranking. In Experiment 1, the operators chose the high-value food for the subordinate recipient more frequently than when there was no recipient, whereas they were indifferent in their choice for the dominant. This differentiated behavior could have been because the dominant recipient frequently ate the low-value food. In Experiment 2, we increased the difference in the value of the two food items so that both recipients would reject the low-value food. The results were the same as in Experiment 1. In Experiment 3, we placed an opaque screen in front of the recipient to examine effects of visual contact between the participants. The operators’ food choice generally shifted toward providing the low-value food for the recipient. These results suggest that capuchins are clearly sensitive to others’ reward and that they show other-regarding preference or a form of inequity aversion depending upon the recipients and the presence of visual contact. |
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no |
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Equine Behaviour @ team @ |
Serial |
5118 |
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| Author |
Proops, L.; McComb, K.; Reby, D. |
| Title |
Cross-modal individual recognition in domestic horses (Equus caballus) |
Type |
Journal Article |
| Year |
2009 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
106 |
Issue |
3 |
Pages |
947-951 |
| Keywords |
animal cognition vocal communication social behavior playback experiment expectancy violation |
| Abstract |
Individual recognition is considered a complex process and, although it is believed to be widespread across animal taxa, the cognitive mechanisms underlying this ability are poorly understood. An essential feature of individual recognition in humans is that it is cross-modal, allowing the matching of current sensory cues to identity with stored information about that specific individual from other modalities. Here, we use a cross-modal expectancy violation paradigm to provide a clear and systematic demonstration of cross-modal individual recognition in a nonhuman animal: the domestic horse. Subjects watched a herd member being led past them before the individual went of view, and a call from that or a different associate was played from a loudspeaker positioned close to the point of disappearance. When horses were shown one associate and then the call of a different associate was played, they responded more quickly and looked significantly longer in the direction of the call than when the call matched the herd member just seen, an indication that the incongruent combination violated their expectations. Thus, horses appear to possess a cross-modal representation of known individuals containing unique auditory and visual/olfactory information. Our paradigm could provide a powerful way to study individual recognition across a wide range of species. |
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| Notes |
10.1073/pnas.0809127105 |
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no |
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Equine Behaviour @ team @ |
Serial |
4689 |
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| Author |
Harcourt, J.L.; Ang, T.Z.; Sweetman, G.; Johnstone, R.A.; Manica, A. |
| Title |
Social feedback and the emergence of leaders and followers |
Type |
Journal Article |
| Year |
2009 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
| Volume |
19 |
Issue |
3 |
Pages |
248-252 |
| Keywords |
Analysis of Variance; Animals; Appetitive Behavior/physiology; *Feedback; Great Britain; *Leadership; Markov Chains; Models, Biological; Monte Carlo Method; Smegmamorpha/*physiology; *Social Behavior; Video Recording |
| Abstract |
In many animal groups, certain individuals consistently appear at the forefront of coordinated movements [1-4]. How such leaders emerge is poorly understood [5, 6]. Here, we show that in pairs of sticklebacks, Gasterosteus aculeatus, leadership arises from individual differences in the way that fish respond to their partner's movements. Having first established that individuals differed in their propensity to leave cover in order to look for food, we randomly paired fish of varying boldness, and we used a Markov Chain model to infer the individual rules underlying their joint behavior. Both fish in a pair responded to each other's movements-each was more likely to leave cover if the other was already out and to return if the other had already returned. However, we found that bolder individuals displayed greater initiative and were less responsive to their partners, whereas shyer individuals displayed less initiative but followed their partners more faithfully; they also, as followers, elicited greater leadership tendencies in their bold partners. We conclude that leadership in this case is reinforced by positive social feedback. |
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Department of Zoology, University of Cambridge, Cambridge, UK |
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English |
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0960-9822 |
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| Notes |
PMID:19185497 |
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no |
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Equine Behaviour @ team @ |
Serial |
5123 |
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| Author |
Romero, T.; Aureli, F. |
| Title |
Reciprocity of support in coatis (Nasua nasua) |
Type |
Journal Article |
| Year |
2008 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
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| Volume |
122 |
Issue |
1 |
Pages |
19-25 |
| Keywords |
*Animal Aggressive Behavior; *Animal Social Behavior; *Mammals; Reciprocity |
| Abstract |
Primate sociality has received much attention and its complexity has been viewed as a driving force for the evolution of cognitive abilities. Improved analytic techniques have allowed primate researchers to reveal intricate social networks based on the exchange of cooperative acts and services. Although nonprimates are known to show similar behavior (e.g., cooperative hunting, food sharing, coalitions) there seems a consensus that social life is less complex than in primates. Here the authors present the first group-level analysis of reciprocity of social interactions in a social carnivore, the ring-tailed coati (<xh:i xmlns:search=“http://marklogic.com/appservices/search” xmlns=“http://apa.org/pimain” xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance” xmlns:xh=“http://www.w3.org/1999/xhtml”>Nasua nasua</xh:i>). The authors found that support in aggressive conflicts is a common feature in coatis and that this behavior is reciprocally exchanged in a manner seemingly as complex as in primates. Given that reciprocity correlations persisted after controlling for the effect of spatial association and subunit membership, some level of scorekeeping may be involved. Further studies will be needed to confirm our findings and understand the mechanisms underlying such reciprocity, but our results contribute to the body of work that has begun to challenge primate supremacy in social complexity and cognition. (PsycINFO Database Record (c) 2012 APA, all rights reserved) |
| Address |
Romero, Teresa: Living Links, Yerkes National Primate Research Center, Emory University, 954 N. Gatewood Road, Atlanta, GA, US, 30329, mromer2@emory.edu |
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American Psychological Association |
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1939-2087(Electronic);0735-7036(Print) |
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no |
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Equine Behaviour @ team @ 2008-01944-003 |
Serial |
5812 |
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Sundaresan, S.R.; Fischhoff, I.R.; Dushoff, J.; Rubenstein, D.I. |
| Title |
Network metrics reveal differences in social organization between two fission-fusion species, Grevy's zebra and onager |
Type |
Journal Article |
| Year |
2007 |
Publication |
Oecologia |
Abbreviated Journal |
Oecologia |
| Volume |
151 |
Issue |
1 |
Pages |
140-149 |
| Keywords |
Analysis of Variance; Animals; Behavior, Animal/*physiology; *Environment; Equidae/*physiology; Female; India; Kenya; Male; *Models, Theoretical; *Social Behavior; *Social Environment |
| Abstract |
For species in which group membership frequently changes, it has been a challenge to characterize variation in individual interactions and social structure. Quantifying this variation is necessary to test hypotheses about ecological determinants of social patterns and to make predictions about how group dynamics affect the development of cooperative relationships and transmission processes. Network models have recently become popular for analyzing individual contacts within a population context. We use network metrics to compare populations of Grevy's zebra (Equus grevyi) and onagers (Equus hemionus khur). These closely related equids, previously described as having the same social system, inhabit environments differing in the distribution of food, water, and predators. Grevy's zebra and onagers are one example of many sets of coarsely similar fission-fusion species and populations, observed elsewhere in other ungulates, primates, and cetaceans. Our analysis of the population association networks reveals contrasts consistent with their distinctive environments. Grevy's zebra individuals are more selective in their association choices. Grevy's zebra form stable cliques, while onager associations are more fluid. We find evidence that females associate assortatively by reproductive state in Grevy's zebra but not in onagers. The current approach demonstrates the utility of network metrics for identifying fine-grained variation among individuals and populations in association patterns. From our analysis, we can make testable predictions about behavioral mechanisms underlying social structure and its effects on transmission processes. |
| Address |
Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. ssundare@princeton.edu |
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English |
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0029-8549 |
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PMID:16964497 |
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no |
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1863 |
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Hostetter, A.B.; Russell, J.L.; Freeman, H.; Hopkins, W.D. |
| Title |
Now you see me, now you don't: evidence that chimpanzees understand the role of the eyes in attention |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
10 |
Issue |
1 |
Pages |
55-62 |
| Keywords |
Animal Husbandry/methods; Animals; *Attention; Awareness; Female; Fixation, Ocular/*physiology; Humans; Male; Pan troglodytes/*psychology; *Social Behavior; *Social Perception |
| Abstract |
Chimpanzees appear to understand something about the attentional states of others; in the present experiment, we investigated whether they understand that the attentional state of a human is based on eye gaze. In all, 116 adult chimpanzees were offered food by an experimenter who engaged in one of the four experimental manipulations: eyes closed, eyes open, hand over eyes, and hand over mouth. The communicative behavior of the chimpanzees was observed. More visible behaviors were produced when the experimenter's eyes were visible than when the experimenter's eyes were not visible. More vocalizations were produced when the experimenter's eyes were closed than when they were open, but there were no differences in other attention getting behaviors. There was no effect of age or rearing history. The results suggest that chimpanzees use the presence of the eyes as a cue that their visual gestures will be effective. |
| Address |
Department of Psychology, University of Wisconsin-Madison, 1202 W. Johnson Street, Madison, WI 53706, USA. abhostetter@wisc.edu |
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English |
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1435-9448 |
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PMID:16847659 |
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no |
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Equine Behaviour @ team @ |
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2457 |
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| Author |
Cohen, J. |
| Title |
Animal behavior. The world through a chimp's eyes |
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2007 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
316 |
Issue |
5821 |
Pages |
44-45 |
| Keywords |
Animal Communication; Animals; *Behavior, Animal; Cognition; Cooperative Behavior; Culture; Memory; Pan troglodytes/*psychology; Social Behavior; Tool Use Behavior |
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English |
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1095-9203 |
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| Notes |
PMID:17412932 |
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no |
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Equine Behaviour @ team @ |
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2832 |
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