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Fritz, J.; Bisenberger, A.; Kotrschal, K. |
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Title |
Stimulus enhancement in greylag geese: socially mediated learning of an operant task |
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Year |
2000 |
Publication |
Animal Behaviour |
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59 |
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6 |
Pages |
1119-1125 |
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Abstract |
We recently observed the spreading of a novel tradition in a flock of semiferal greylag geese, Anser anser: an increasing number of individuals began to bite and chew the stems of butterbur, Petasites hybridus. Because this behaviour spread particularly fast within families, social learning seemed to be involved. We therefore designed an experiment with hand-reared goslings, which were socially imprinted on humans, to investigate whether and how the observation of an experienced tutor affects the acquisition of a novel skill. Goslings had to open the gliding lid of a box to get at a food reward. To each of seven hand-reared observers a human tutor demonstrated where and how to open the lid, whereas seven controls remained untutored. All observers learned to perform the task but only one of the controls succeeded. The observers explored more often at the position shown by the tutor than elsewhere and seemingly learned by trial and error. In contrast, control birds explored primarily at positions that did not allow them to open the box. These results indicate that in greylag goslings the observation of an experienced model facilitates the learning of an operant task. We conclude that stimulus enhancement followed by operant conditioning were the mechanisms involved, which may have accounted for the fast spread of the stem-chewing tradition between family members. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5962 |
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Fureix, C.; Bourjade, M.; Henry, S.; Sankey, C.; Hausberger, M. |
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Title |
Exploring aggression regulation in managed groups of horses Equus caballus |
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Journal Article |
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Year |
2012 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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138 |
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3–4 |
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216-228 |
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Horses; Social behaviour; Aggression regulation; Coping in group; Management; Social development |
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Abstract |
Horses are highly social animals that have evolved to live in social groups. However, in modern husbandry systems, single housing prevails where horses experience social isolation, a challenge-to-welfare factor. One major reason for this single housing is the owners’ concerns that horses may injure each other during aggressive encounters. However, in natural conditions, serious injuries due to aggressive encounters are rare. What could therefore explain the claimed risks of group living for domestic horses? Basing our questioning on the current knowledge of the social life of horses in natural conditions, we review different practices that may lead to higher levels of aggression in horses and propose practical solutions. Observations of natural and feral horses mostly indicate a predominance of low frequencies and mild forms of aggression, based on subtle communication signals and ritualized displays and made possible by group stability (i.e. stable composition), dominance hierarchy and learning of appropriate social skills by young horses. Obviously, adults play a major role here in canalizing undesirable behaviours, and social experience during development, associated with a diversity of social partners, seems to be a prerequisite for the young horse to become socially skilled. Given the natural propensity of horses to have a regulation of aggression in groups, the tendency to display more aggression in groups of domestic horses under some management practices seems clearly related to the conditions offered. We therefore review the managing practices that could trigger aggressiveness in horses. Non social practices (space, resource availability) and social practices (group size, stability of membership, composition and opportunities for social experiences during development) in groups of domestic horses are discussed here. Finally, we propose simple practical solutions leading to more peaceful interactions in groups of domestic horses, based on the knowledge of horses’ natural social life which therefore should be enhanced (e.g. ensuring roughage availability, favouring group stability, introducing socially experienced adults in groups of young horses, etc.). The state of the art indicates that many questions still need to be answered. Given the importance of the associated welfare issues and the consequences on the use of horses, further research is required, which could benefit horses… and humans. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5648 |
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Author |
Gabor, V.; Gerken, M. |
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Title |
Horses use procedural learning rather than conceptual learning to solve matching to sample |
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Journal Article |
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2010 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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126 |
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3-4 |
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119-124 |
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Horses; Concept learning; Visual discrimination; Cognition; Experimental design; Procedural learning |
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Research into higher cognitive abilities of the horse may be limited by developing the adequate experimental design. In this study four pony mares between 8 and 19 years old were included. Three of them reached the criterion to be tested in a new design of matching to sample using a black circle and a cross as visual cues attached to an apparatus. The attention was directed to the question of whether the animals are able to concept formation in a given time period or if their decisions depend on other cues or strategies. After familiarization to the testing area and the test procedure, the animals were given 27 sessions of 20 trials each during 14 weeks. While there was no preference for one of the stimuli used, horses showed a significant left sidedness. None of the mares reached the learning criterion of 80% correct answers in one session. However, the ponies showed procedural learning based on correction runs that were given between incorrect decisions, by then selecting the correct stimulus on the other side of the apparatus. This learning type arose in three individuals in session four, six and eleven, respectively. It is concluded that discrimination tasks may be biased by the involvement of unexpected learning strategies, which complicates the interpretation of such tests and may even mask possible conceptualization capabilities. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5157 |
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Author |
Galef BG, J.; Giraldeau, L.A. |
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Title |
Social influences on foraging in vertebrates: causal mechanisms and adaptive functions |
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Journal Article |
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Year |
2001 |
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Animal Behaviour. |
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Anim. Behav. |
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61 |
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1 |
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3-15 |
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We summarize 20 years of empirical and theoretical research on causes and functions of social influences on foraging by animals. We consider separately studies of social influence on when, where, what and how to eat. Implicit in discussion of the majority of studies is our assumption that social influences on foraging reflect a biasing of individual learning processes by social stimuli rather than action of independent social-learning mechanisms. Our review of theoretical approaches suggests that the majority of formally derived hypotheses concerning functions of social influence on foraging have not yet been tested adequately and many models are in need of further refinement. We also consider the importance to the future of the field of integrating 'top-down' and 'bottom-up' approaches to the study of social learning. Copyright 2001 The Association for the Study of Animal Behaviour. |
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Department of Psychology, McMaster University |
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English |
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0003-3472 |
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PMID:11170692 |
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2135 |
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Author |
Galef, B. G. JR; White, D.J. |
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Title |
Mate-choice copying in Japanese quail, Coturnix coturnix japonica |
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Journal Article |
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Year |
1998 |
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Animal Behaviour. |
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Anim. Behav. |
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55 |
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3 |
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545-552 |
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1814 |
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Author |
Galef, B.G. |
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Title |
The adaptive value of social learning: a reply to Laland |
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1996 |
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Animal Behaviour. |
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Anim. Behav. |
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52 |
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3 |
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641-644 |
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refbase @ user @ |
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566 |
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Author |
Galef, J., Bennett G.; Whiskin, E.E. |
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Title |
Effects of environmental stability and demonstrator age on social learning of food preferences by young Norway rats |
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Journal Article |
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Year |
2004 |
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Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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68 |
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4 |
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897-902 |
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We used socially learned food preferences of Norway rats, Rattus norvegicus, to examine two common predictions of formal models of social learning in animals: (1) that animals living in relatively stable environments should be more attentive to socially acquired information than animals living in highly variable environments, and (2) that older demonstrators should have greater influence than younger demonstrators on the behaviour of young observers. Old and young demonstrators were equally effective in modifying the food preferences of juveniles that interacted with them. However, food choices of rats that were moved daily from one cage to another and fed at unpredictable times for unpredictable periods were less affected by demonstrators than were rats maintained in stable environments. Our results thus provided experimental support for the first, but not the second, prediction from theory. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5610 |
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Author |
Galef,, Bennett G. |
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Title |
Why behaviour patterns that animals learn socially are locally adaptive |
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1995 |
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Animal Behaviour. |
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Anim. Behav. |
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49 |
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5 |
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1325-1334 |
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Recent models of the social transmission of behaviour by animals have repeatedly led their authors to the counterintuitive (and counterfactual) conclusion that traditional behaviour patterns in animals are often not locally adaptive. This deduction results from the assumption in such models that frequency of expression of socially learned behaviour patterns is not affected by rewards or punishments contingent upon their expression. An alternative approach to analysis of social learning processes, based on Staddon-Simmelhag's conditioning model, is proposed here. It is assumed that social interactions affect the probability of introduction of novel behaviour patterns into a naive individual's repertoire and that consequences of engaging in a socially learned behaviour determine whether that behaviour continues to be expressed. Review of several recently analysed instances of animal social learning suggests that distinguishing processes that introduce behaviour patterns into the repertoires of individuals from processes that select among behavioural alternatives aids in understanding observed differences in the longevity of various traditional behaviour patterns studied in both laboratory and field. Finally, implications of the present approach for understanding the role of social learning in evolutionary process are discussed. |
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refbase @ user @ |
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578 |
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Author |
Gallup GG; Povinelli DJ; Suarez SD; Anderson JR; Lethmate J; Menzel EW |
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Title |
Further reflections on self-recognition in primates |
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Year |
1995 |
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Animal Behaviour. |
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Anim. Behav. |
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50 |
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1525 |
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Equine Behaviour @ team @ |
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2999 |
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Gammell, M.P.; de Vries, H.; Jennings, D.J.; Carlin, C.M.; Hayden, T.J. |
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Title |
David's score: a more appropriate dominance ranking method than Clutton-Brock et al.'s index |
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2003 |
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Animal Behaviour. |
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Anim. Behav. |
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66 |
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3 |
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601-605 |
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refbase @ user @ |
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