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Author |
Branson, N.J.; Rogers, L.J. |
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Title |
Relationship between paw preference strength and noise phobia in Canis familiaris |
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Journal Article |
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Year |
2006 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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120 |
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3 |
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176-183 |
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noise phobia; lateralization; paw preference; dog; fear |
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The authors investigated the relationship between degree of lateralization and noise phobia in 48 domestic dogs (Canis familiaris) by scoring paw preference to hold a food object and relating it to reactivity to the sounds of thunderstorms and fireworks, measured by playback and a questionnaire. The dogs without a significant paw preference were significantly more reactive to the sounds than the dogs with either a left-paw or right-paw preference. Intense reactivity, therefore, is associated with a weaker strength of cerebral lateralization. The authors note the similarity between their finding and the weaker hand preferences shown in humans suffering extreme levels of anxiety and suggest neural mechanisms that may be involved. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
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Branson, N. J.: Centre for Neuroscience and Animal Behavior, School of Biological, Biomedical and Molecular Sciences, University of New England, Armidale, NSW, Australia, nbranson@une.edu.au |
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US: American Psychological Association |
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1939-2087 (Electronic); 0735-7036 (Print) |
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Equine Behaviour @ team @ 2006-09888-002 |
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5384 |
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Author |
Widdig, A.; Streich, W.; Nürnberg, P.; Croucher, P.; Bercovitch, F.; Krawczak, M. |
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Title |
Paternal kin bias in the agonistic interventions of adult female rhesus macaques (Macaca mulatta) |
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Journal Article |
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2006 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
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61 |
Issue |
2 |
Pages |
205-214 |
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Biomedical and Life Sciences |
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When agonistic interventions are nepotistic, individuals are expected to side more often with kin but less often against kin in comparison with non-kin. As yet, however, few mammal studies have been in a position to test the validity of this assertion with respect to paternal relatedness. We therefore used molecular genetic kinship testing to assess whether adult female rhesus macaques (Macaca mulatta) from the free-ranging colony of Cayo Santiago (Puerto Rico) bias their interventions in ongoing dyadic aggressive interactions towards maternal and paternal half-sisters compared with unrelated females. It turned out that females supported maternal half-sisters significantly more often than paternal half-sisters or non-kin regardless of the costs associated with such interventions. Similarly, females targeted maternal half-sisters significantly less often than non-kin when this was associated with high costs. Unrelated females provided significantly higher mean rates of both high- and low-cost support to each other than did paternal half-sisters. However, females targeted paternal half-sisters significantly less often than non-kin when targeting was at low cost, suggesting that females refrain from intervening against paternal half-sisters. Our data confirm the general view that coalition formation in female mammals is a function of both the level of maternal relatedness and of the costs of intervention. The patterns of coalition formation among paternal kin were found to be more complex, and may also differ across species, but clear evidence for paternal kin discrimination was observed in female rhesus as predicted by kin selection theory. |
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Springer Berlin / Heidelberg |
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0340-5443 |
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Equine Behaviour @ team @ |
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5251 |
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Author |
van Breda, E. |
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Title |
A non-natural head-neck position (rollkur) during training results in less acute stress in elite trained dressage horses |
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Journal Article |
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2006 |
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Journal of Applied Animal Welfare Science |
Abbreviated Journal |
Journal of Applied Animal Welfare Science |
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Volume |
9 |
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1 |
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59-64 |
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This study measured parameters of stress in recreational, trained horses (REC; n = 7) and elite (International Grand Prix level) trained, dressage horses (DRES; n = 5). The training of the DRES horses uses an unnatural head?neck position (Rollkur), whereas in the REC horses such training techniques are not common. The study measured stress by using heart rate variability analysis for 30 min postfeeding in the morning and 30 min postexercise after a morning training session. The study found no significant difference at rest between the REC and DRES horses. During the posttraining measurements, however, the DRES horses showed, among others, a less sympathetic and increased parasympathetic dominance. These results suggest that DRES horses tend to have less acute stress than do REC horses postexercise. The findings of this study suggest maintaining the health and well-being of DRES horses despite nonnatural, biomechanical positions. |
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Routledge |
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1088-8705 |
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doi: 10.1207/s15327604jaws0901_5 |
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no |
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Equine Behaviour @ team @ |
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5639 |
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Author |
Allen, C. |
![find book details (via ISBN) isbn](img/isbn.gif)
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Title |
Transitive inference in animals: Reasoning or conditioned associations? |
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Book Chapter |
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Year |
2006 |
Publication |
Rational Animals? |
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175-186 |
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It is widely accepted that many species of nonhuman animals appear to engage in transitive inference,
producing appropriate responses to novel pairings of non-adjacent members of an ordered series
without previous experience of these pairings. Some researchers have taken this capability as
providing direct evidence that these animals reason. Others resist such declarations, favouring instead
explanations in terms of associative conditioning. Associative accounts of transitive inference have
been refined in application to a simple 5-element learning task that is the main paradigm for
laboratory investigations of the phenomenon, but it remains unclear how well those accounts
generalise to more information-rich environments such as social hierarchies which may contain scores
of individuals, and where rapid learning is important. The case of transitive inference is an example of
a more general dispute between proponents of associative accounts and advocates of more cognitive
accounts of animal behaviour. Examination of the specific details of transitive inference suggests
some lessons for the wider debate. |
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Texas A&M University |
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Oxford University Press |
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Oxford |
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Hurley, S.; Nudds, M. |
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978-0-19-852827-2 |
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no |
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Call Number |
refbase @ user @ |
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611 |
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Author |
Tomasello, M.; Call, J. |
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Title |
Do chimpanzees know what others see ? or only what they are looking at? |
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Book Chapter |
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2006 |
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Rational Animals? |
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371-384 |
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Oxford University Press |
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Oxford |
Editor |
Nudds, M.; Hurley, S. |
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Equine Behaviour @ team @ |
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4094 |
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Author |
Brooks, S. M. |
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Title |
Animal-assisted psychotherapy and equine-fasciliated psychotherapy. |
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Book Chapter |
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2006 |
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Psychotherapy and Equine Facilitated Psychotherapy, |
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196-217 |
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Publisher ![sorted by Publisher field, descending order (down)](img/sort_desc.gif) |
Guilford Press |
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New York |
Editor |
Webb, N.B. |
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Equine Behaviour @ team @ |
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5071 |
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Author |
Trillmich, F.; Rehling, A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Animal Communication: Parent-Offspring |
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Book Chapter |
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Year |
2006 |
Publication |
Encyclopedia of Language & Linguistics |
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284-288 |
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Begging Strategies; Communication; Competition; Feeding Strategies; Fitness; Parental Care; Parent-Offspring Conflict; Recognition; Sibling Conflict |
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Abstract |
Parent-offspring communication has evolved under strong selection to guarantee that the valuable resource of parental care is expended efficiently on raising offspring. To ensure allocation of parental care to their own offspring, individual recognition becomes established in higher vertebrates when the young become mobile at a time when a nest site can no longer provide a safe cue to recognition. Such recognition needs to be established by rapid, sometimes imprinting-like, processes in animals producing precocial offspring. In parents, offering strategies that stimulate feeding and entice offspring to approach the right site have evolved. Such parental signals can be olfactory, acoustic, or visual. In offspring, begging strategies involve shuffling for the best place to obtain food – be this the most productive teat or the best position in the nest. This involves signals that make the offspring particularly obvious to the parent. Parents often feed young according to their signaling intensity but may also show favoritism for weaker offspring. Offspring signals also serve to communicate the continuing presence of the young and may thereby maintain brood-care behavior in parents. Internal processes in parents may end parental care irrespective of further signaling by offspring, thus ensuring that offspring cannot manipulate parents into providing substantially more care than is optimal for their own fitness. |
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Elsevier |
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Oxford |
Editor |
Keith Brown |
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9780080448541 |
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Equine Behaviour @ team @ |
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4642 |
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Author |
Murphy, J.; Arkins, S. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Laterality and visuo-spatial ability in the equine: Functional measures of sport horse selection? |
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Journal Article |
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2006 |
Publication |
BSAP Occasional Publication |
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BSAP Occasional Publication |
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35 |
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159-170 |
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Laterality in any organism or species can be manifest as morphological, sensory and functional degrees of asymmetry such as hemispheric dominance, handedness or sidedness and other motor functional behaviours and as such is equally important in equitation. The influence of the horses' sex on both the direction and the degree of the laterality was explored within and between 4 experimental procedures in the 1st study. The findings showed that the direction, but not the degree of idiosyncratic motor preference in the horses was strongly sex-related. Male horses exhibited significantly more left lateralized responses and female horses exhibited significantly more right lateralized responses. Visuo-spatial ability is also likely to be important in the performance horse. In many species, moderate to large differences in visuo-spatial ability have been reported between the sexes, with superior visuo-spatial ability being reported in males of all species investigated to date. As no known studies had addressed visuo-spatial ability in the equine, the objective of the 2nd study, was to determine if visuo-spatial ability differed between male and female horses. The results produced the first behavioural demonstration of superior visuo-spatial ability in male horses, similar to that reported in other species. There is evidence to suggest that visuospatial ability and motor laterality are associated with cerebral hemispheric asymmetry and may be intrinsically linked. Brain development and laterality have also been associated with hair patterning, and, in a 3rd study we attempted to identify predictors of lateral bias in motor behaviour in horses. We investigated the relationship between the direction of facial hair whorl rotation and the incidence/direction of laterality in the horse. The findings suggest that direction of facial hair whorl rotation may be a useful indicator of lateralised motor behavioural preferences in the horse. We then attempted to establish if laterality was evident at birth in a 4th study, where we explored if neonatal foals exhibited lateralised patterns during and immediately post the birthing process that were correlated with their facial hair whorl patterns. The results showed a significant association between the sex of the foal and the choice of foreleg presented initially during 2nd stage parturition. Significantly more colt foals led with the left foreleg and significantly more filly foals led with the right foreleg than expected purely by random and the behaviour was correlated with facial hair whorl patterns. The findings also suggest that lateralisation in the horse is determined in utero as has also been shown in humans. Comparisons of wholly intact male and female horses are warranted as they might elucidate additional linkages between motor behaviour, visuo-spatial ability and brain organisation and development in the horse. Further research in this area could lead to more appropriate competition conditions (better fence design/construction on cross-country tracks) and so eliminate unnecessary levels of risk associated with many equestrian sports. |
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Cambridge University Press |
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2018/02/27 |
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0263-967x |
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Equine Behaviour @ team @ |
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6512 |
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Author |
Teicher, M.H.; Tomoda, A.; Andersen, S.L. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Neurobiological Consequences of Early Stress and Childhood Maltreatment: Are Results from Human and Animal Studies Comparable? |
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Journal Article |
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2006 |
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Annals of the New York Academy of Sciences |
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1071 |
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1 |
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313-323 |
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adolescence; maltreatment; hippocampus; corpus callosum; translational research; sensitive periods; stress; abuse or neglect |
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Abstract: Recent studies have reported an association between exposure to childhood abuse or neglect and alterations in brain structure or function. One limitation of these studies is that they are correlational and do not provide evidence of a cause–effect relationship. Preclinical studies on the effects of exposure to early life stress can demonstrate causality, and can enrich our understanding of the clinical research if we hypothesize that the consequences of early abuse are predominantly mediated through the induction of stress responses. Exposure to early abuse and early stress has each been associated with the emergence of epileptiform electroencephalogram (EEG) abnormalities, alterations in corpous callosum area, and reduced volume or synaptic density of the hippocampus.Further, there is evidence that different brain regions have unique periods when they are maximally sensitive to the effects of early stress. To date, preclinical studies have guided clinical investigations and will continue to provide important insight into studies on molecular mechanisms and gene–environment interactions. |
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Blackwell Publishing Inc |
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1749-6632 |
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Equine Behaviour @ team @ |
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5784 |
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Author |
Karl von, Philippe |
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Title |
Irrwege der modernen Dressur. Die Suche nach der “klassischen” Alternative |
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2006 |
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Philippe Karl, einer der mutigsten Kritiker einer Dressurwelt, deren Ausbildungsmethoden einzige darauf abzielen, ein Pferd möglichst schnell in mit hohen Preisgeldern dotierten Prüfungen an den Start zu bringen, legt mit diesem Buch den Finger in die Wunde.
Auf der Grundlage der psychischen, anatomischen und physiologischen Voraussetzungen des Pferdes analysiert der Autor die Grundsätze der modernen Dressur, wie sie in den Richtlinien der Deutschen Reiterlichen Vereinigung festgeschrieben sind. |
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Publisher ![sorted by Publisher field, descending order (down)](img/sort_desc.gif) |
978-3861274131 |
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Brunsbek |
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Equine Behaviour @ team @ |
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4401 |
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