| Records |
| Author |
Riley, J.L.; Noble, D.W.A.; Byrne, R.W.; Whiting, M.J. |
| Title |
Does social environment influence learning ability in a family-living lizard? |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal  |
Anim. Cogn. |
| Volume |
20 |
Issue |
3 |
Pages |
449-458 |
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| Abstract |
Early developmental environment can have profound effects on individual physiology, behaviour, and learning. In birds and mammals, social isolation during development is known to negatively affect learning ability; yet in other taxa, like reptiles, the effect of social isolation during development on learning ability is unknown. We investigated how social environment affects learning ability in the family-living tree skink (Egernia striolata). We hypothesized that early social environment shapes cognitive development in skinks and predicted that skinks raised in social isolation would have reduced learning ability compared to skinks raised socially. Offspring were separated at birth into two rearing treatments: (1) raised alone or (2) in a pair. After 1 year, we quantified spatial learning ability of skinks in these rearing treatments (N = 14 solitary, 14 social). We found no effect of rearing treatment on learning ability. The number of skinks to successfully learn the task, the number of trials taken to learn the task, the latency to perform the task, and the number of errors in each trial did not differ between isolated and socially reared skinks. Our results were unexpected, yet the facultative nature of this species' social system may result in a reduced effect of social isolation on behaviour when compared to species with obligate sociality. Overall, our findings do not provide evidence that social environment affects development of spatial learning ability in this family-living lizard. |
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1435-9456 |
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Equine Behaviour @ team @ Riley2017 |
Serial |
6190 |
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| Author |
Farmer, K.; Krüger, K.; Byrne, R.W.; Marr, I. |
| Title |
Sensory laterality in affiliative interactions in domestic horses and ponies (Equus caballus) |
Type |
Journal Article |
| Year |
2018 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
21 |
Issue |
5 |
Pages |
631-637 |
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| Abstract |
Many studies have been carried out into both motor and sensory laterality of horses in agonistic and stressful situations. Here we examine sensory laterality in affiliative interactions within four groups of domestic horses and ponies (N = 31), living in stable social groups, housed at a single complex close to Vienna, Austria, and demonstrate for the first time a significant population preference for the left side in affiliative approaches and interactions. No effects were observed for gender, rank, sociability, phenotype, group, or age. Our results suggest that right hemisphere specialization in horses is not limited to the processing of stressful or agonistic situations, but rather appears to be the norm for processing in all social interactions, as has been demonstrated in other species including chicks and a range of vertebrates. In domestic horses, hemispheric specialization for sensory input appears not to be based on a designation of positive versus negative, but more on the perceived need to respond quickly and appropriately in any given situation. |
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1435-9456 |
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Equine Behaviour @ team @ Farmer2018 |
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6386 |
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| Author |
Byrne, R.W.; Whiten, A.; Henzi, S.P. |
| Title |
Social relationships of mountain baboons: Leadership and affiliation in a non-female-bonded monkey |
Type |
Journal Article |
| Year |
1990 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
| Volume |
20 |
Issue |
4 |
Pages |
313-329 |
| Keywords |
relationships; one-male groups; female-bonding; spacing; support; Papio ursinus; Papio hamadryas |
| Abstract |
Abstract 10.1002/ajp.1350200409.abs Instead of close and differentiated relationships among adult females, the accepted norm for savanna baboons, groups of Drakensberg mountain baboons (Papio ursinus) showed strong affiliation of females towards a single male. The same male was usually the decision-making animal in controlling group movements. Lactating or pregnant females focused their grooming on this “leader” male, producing a radially patterned sociogram, as in the desert baboon (P. hamadryas); the leader male supported young animals in the group against aggression and protected them against external threats. Unlike typical savanna baboons, these mountain baboons rarely displayed approach-retreat or triadic interactions, and entirely lacked coalitions among adult females. Both groups studied were reproductively one-male; male-female relationships in one were like those in a unit of a hamadryas male at his peak, while the other group resembled the unit of an old hamadryas male, who still leads the group, with a male follower starting to build up a new unit and already monopolizing mating. In their mountain environment, where the low population density suggests conditions as harsh for baboons as in deserts, adults in these groups kept unusually large distances apart during ranging; kin tended to range apart, and spacing of adults was greatest at the end of the dry, winter season. These facts support the hypothesis that sparse food is responsible for convergence with hamadryas social organization. It is suggested that all baboons, though matrilocal, are better categorized as “cross-sex-bonded” than “female bonded”. |
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Wiley Subscription Services, Inc., A Wiley Company |
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1098-2345 |
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Equine Behaviour @ team @ |
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5309 |
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| Author |
Byrne, R.W. |
| Title |
Imitation of novel complex actions: What does the evidence from animals mean? |
Type |
Book Chapter |
| Year |
2002 |
Publication |
Advances in the Study of Behavior |
Abbreviated Journal |
Adv Stud Behav |
| Volume |
31 |
Issue |
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Pages |
77-105 |
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Summary Underlying the various behaviors that are classified as imitation, there may be several distinct mechanisms, differing in adaptive function, cognitive basis, and computational power. Experiments reporting “true motor imitation” in animals do not as yet give evidence of production learning by imitation; instead, contextual imitation can explain their data, and this can be explained by a simple mechanism (response facilitation) which matches known neural findings. When imitation serves a function in social mimicry, which applies to a wide range of phenomena from neonatal imitation in humans and great apes to pair-bonding in some bird species, the fidelity of the behavioral match is crucial. Learning of novel behavior can potentially be achieved by matching the outcome of a model's action, and it is argued that vocal imitation by birds is a clear example of this method (which is sometimes called emulation). Alternatively, the behavior itself may be perceived in terms of actions that the observer can perform, and thus it may be copied. If the imitation is linear and stringlike (action level), following the surface form rather than the underlying plan, then its utility for learning new instrumental methods is limited. However, the underlying plan of hierarchically organized behavior is visible in output behavior, in subtle but detectable ways, and imitation could instead be based on this organization (program level), extracted automatically by string parsing. Currently, the most likely candidates for such capacities are all great apes. It is argued that this ability to perceive the underlying plan of action, in addition to allowing highly flexible imitation of novel instrumental methods, may have resulted in the competence to understand the intentions (theory of mind) of others. |
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Academic Press |
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San Diego |
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Snowdon, C. T.; Roper, T. J.;Rosenblatt,J. S. |
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no |
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refbase @ user @ |
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746 |
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| Author |
Byrne, R.W. |
| Title |
Animal imitation |
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Journal Article |
| Year |
2009 |
Publication |
Current Biology |
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| Volume |
19 |
Issue |
3 |
Pages |
R111-R114 |
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0960-9822 |
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Equine Behaviour @ team @ |
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4735 |
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| Author |
Byrne, R.W. |
| Title |
How monkeys find their way: leadership, coordination, and cognitive maps of African baboons. |
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Book Chapter |
| Year |
2000 |
Publication |
On the Move: How and Why Animals Travel in Groups |
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491–518 |
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Chicago University Press |
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Chicago |
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Boinski, S.; Garber, P.A. |
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Equine Behaviour @ team @ |
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5146 |
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| Author |
Whiten A.; Byrne, R. W. (eds) |
| Title |
Machiavellian Intelligence II – Extensions and Evaluations |
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1997 |
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Cambridge University Press |
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Cambridge |
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Whiten A.; Byrne, R. W. |
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Equine Behaviour @ team @ |
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5233 |
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| Author |
Held, S.; Mendl, M.; Devereux, C.; Byrne, R.W. |
| Title |
Studies in Social Cognition: From Primates to Pigs |
Type |
Journal Article |
| Year |
2001 |
Publication |
Animal Welfare |
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10 |
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209-217 |
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refbase @ user @ |
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3494 |
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