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| Author | Mal, M.E.; McCall, C.A.; Newland, C.; Cummins, K.A. | ||||
| Title | Evaluation of a one-trial learning apparatus to test learning ability in weanling horses | Type | Journal Article | ||
| Year | 1993 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 35 | Issue | 4 | Pages | 305-311 |
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| Abstract | Fourteen Arabian foals were used to determine if a one-trial appetitive conditioning task, developed for laboratory rats, could be adapted for use in equine learning research. The learning apparatus consisted of a 1.5 m x 0.6 m wooden grid containing 40 compartments. Seven foals received a complete learning test which consisted of placing a foal in a pen with the learning apparatus on one wall, recording the foal's behavior for 5 min and then placing a food reinforcer in a target compartment (TC). After location of the food, the foal's behavior was recorded for an additional 5 min. Total visits made to the apparatus and compartments visited by the foal were recorded. The remaining seven foals received a test in which no reinforcer was placed in the TC. These foals were re-tested the next day with reinforcement. After location of the food reinforcer, all foals exhibited more visits to the apparatus, visits to the TC, visits one compartment from the TC, and visits greater than one and less than or equal to two compartments from the TC (P<0.05). Mean distance of visits from the TC decreased after location of the reinforcer (P<0.05). Increased frequency of visits to the apparatus and concentration of visits around the TC after finding the reinforcer suggest that foals had learned the location of the reinforcer. Results suggest that a one-trial appetitive conditioning test may be applicable in equine learning research. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 3688 | ||
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| Author | Barton, R.A.; Whiten, A. | ||||
| Title | Feeding competition among female olive baboons, Papio anubis | Type | Journal Article | ||
| Year | 1993 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 46 | Issue | 4 | Pages | 777-789 |
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| Abstract | Abstract. Competition for food is thought to play a key role in the social organization of group-living female primates, leading to the prediction that individual foraging success will be partly regulated by dominance relationships. Among adult females in a group of free-ranging olive baboons, dominance rank was significantly correlated with nutrient acquisition rates (feeding rates and daily intakes), but not with dietary diversity or quality, nor with activity budgets. The mean daily food intake of the three highest-ranking females was 30% greater than that of the three lowest-ranking females, providing an explanation for relationships between female rank and fertility found in a number of other studies of group-living primates. The intensity of feeding competition, as measured by supplant rates and spatial clustering of individuals, increased during the dry season, a period of low food availability, seemingly because foods eaten then were more clumped in distribution than those eaten in the wet season. Implications for models of female social structure and maximum group size are discussed. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4258 | ||
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| Author | Barton, R.A. | ||||
| Title | Sociospatial mechanisms of feeding competition in female olive baboons, Papio anubis | Type | Journal Article | ||
| Year | 1993 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 46 | Issue | 4 | Pages | 791-802 |
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| Abstract | Abstract. Social and spatial mechanisms of feeding competition among adult female olive baboons were studied in two free-ranging groups, one foraging for natural foods, and one that was being provisioned. Similar behavioural processes were found to underlie rank-related differences in food intake in the two situations. Dominance rank of females in the naturally foraging group was positively correlated with the rate at which other animals were supplanted from feeding sites, the ratio of supplants of others to supplants received, and the number of near neighbours while feeding on clumped foods. It is unlikely that the latter result was due to rank-related differences in matriline size, because no significant correlations between rank and neighbour density were found for non-feeding activities. Step-wise regression analysis indicated that both number of neighbours and the supplant ratio explained significant proportions of inter-individual variance in daily food intake, though only the supplant ratio contributed significantly to feeding rate. High-ranking females also had priority of access to feeding sites within trees, and competition was most intense for foods that were spatially clumped. Similarly, in the provisioned group, rank was correlated with the rate at which supplants were received, and with spatial indices estimating centrality and the area of unoccupied space around an individual. Over 99% of the inter-individual variance in feeding rate was explained in a step-wise regression with supplant rates and spatial indices as independent variables. It is concluded that both active supplanting and individuals' spatial positions within the group mediate rank-related differences in food intake. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4259 | ||
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| Author | Veissier, I. | ||||
| Title | Observational learning in cattle | Type | Journal Article | ||
| Year | 1993 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 35 | Issue | 3 | Pages | 235-243 |
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| Abstract | Four experiments were designed to find evidence of observational learning in cattle. The experiments were run on ten experimental heifers, each observing a demonstrator mate performing a task, and on ten control heifers, each observing a non-demonstrator mate. The mates and observers were separated by wire netting in Experiments 1-3, but were in the same room in Experiment 4. The task to be learned was to push a panel to get food into a box. All naive animals were able to observe while their mate performed the task. The observers in Experiments 1 and 4 were Salers heifers that had no prior experience of the testing room; those in Experiment 2 were Salers heifers that were accustomed to the room; those in Experiment 3 were Aubrac or Limousin heifers that had already eaten in the room. The behaviour of the observers was influenced by their mates: activity at or near the boxes was enhanced by the presence of demonstrators in Experiment 2 (box contacts: 38.0 +/- 16.2 vs. 22.1 +/- 11.9 for experimental and control heifers, respectively; P<0.05), while activity in other parts of the room in Experiment 3 was enhanced when non-demonstrator mates were present (wall sniffing: 5.4 +/- 13.9 vs. 13.9 +/- 13.7; P<0.05). Overall, 26 experimental heifers vs. 19 controls learned the task (P>0.05). The time spent eating was longer when the observer only had visual contact with a demonstrator (Experiment 1: 15.9 +/- 1.6 vs. 11.6 +/- 1.8 min), but was lower when physical contacts with the demonstrator were possible (Experiment 4: 4.6 +/- 8.8 vs. 5.4 +/- 2.2 min; P<0.05). Ten out of the 11 Limousin heifers learned the task, compared with only three out of the nine Aubrac heifers (P<0.05). The latter spent more time near the door and sniffed the walls more often than the former (2.0 +/- 1.9 vs. 0.4 +/- 0.6 min, P<0.05, and 18.1 +/- 13.4 vs. 2.7 +/- 6.5 min, P<0.01), as though they were trying to flee the situation. When animals observed a demonstrator, their attention was drawn to stimuli involved in the task but acquisition of knowledge was not greatly improved. |
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| Call Number | Equine Behaviour Team @ birgit.flauger @ | Serial | 4325 | ||
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| Author | Mendoza, S.P.; Mason, W. A (eds) | ||||
| Title | Primate Social Conflict | Type | Book Whole | ||
| Year | 1993 | Publication | Abbreviated Journal | ||
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| Abstract | This book examines conflict as a normal and recurrent feature of primate social life, emphasizing that the study of aggression and social conflict is important to understanding the basic processes that contribute to social order. The authors go well beyond the usual view which tends to equate social conflict with fights over food, mates, or social supremacy, and analyze the diverse manifestations and significance of conflict in a variety of case studies. Contributors are scientists with field and laboratory experience in anthropology, behavioral endocrinology, ethology, and psychology. Utilizing the growing body of research on life-span development in primatology, the authors offer more extensive analyses of the complexity of primate social relationships. “I like the idea of social conflict as opposed to aggression as such. Too much of the focus on conflict has been on aggressive behavior, which is probably the most striking behavior observed in the field. The fact that conflict does not lead to aggression in all cases, that conflict is generally followed by some sort of reconciliation, and the consequences for fitness and future social life are important topics with respect to non-human primate society that should have considerable relevance to thinking about human social conflict.” -- Charles T. Snowdon, University of Wisconsin, Madison William A. Mason is Research Scientist at the California Regional Primate Research Center and Professor Emeritus of Psychology at the University of California. Sally P. Mendoza is Associate Professor of Psychology and Research Scientist at the California Regional Primate Research Center. 1. Primate Social Conflict: An Overview of Sources, Forms, and Consequences William A. Mason and Sally P. Mendoza 2. The Nature of Social Conflict: A Psycho-Ethological Perspective William A. Mason 3. The Evolution of Social Conflict among Female Primates Joan B. Silk 4. Social Conflict on First Encounters Sally P. Mendoza 5. Reconciliation among Primates: A Review of Empirical Evidence and Theoretical Issues Frans B. M. de Waal 6. Social Conflict in Adult Male Relationships in a Free-Ranging Group of Japanese Monkeys Naosuke Itoigawa 7. The Physiology of Dominance in Stable versus Unstable Social Hierarchies Robert M. Sapolsky 8. Temperament and Mother-Infant Conflict in Macaques: A Transactional Analysis William A. Mason, D.D. Long, and Sally P. Mendoza 9. Impact on Foraging Demands on Conflict within Mother-Infants Dyads Michael W. Andrews, Gayle Sunderland, and Leonard A. Rosenblum 10. Coordination and Conflict in Callicebus Social Groups Charles R. Menzel 11. Social Conflict in Two Monogamous New World Primates: Pairs and Rivals Gustl Anzenberger 12. Social Conflict and Reproductive Suppression in Marmoset and Tamarin Monkeys David H. Abbott 13. Biological Antecedents of Human Aggression Lionel Tiger 14. Conflict as a Constructive Force in Social Life David M. Lyons Index |
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Editor | Mendoza, S.P.;Mason, W. A | ||
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| ISSN | ISBN | 978-0-7914-1241-1 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4874 | ||
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| Author | Mulder, R.A.; Langmore, N.E. | ||||
| Title | Dominant males punish helpers for temporary defection in superb fairy-wrens | Type | Journal Article | ||
| Year | 1993 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 45 | Issue | Pages | 830-833 | |
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| Notes | 10.1006/anbe.1993.1100 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4922 | ||
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| Author | Budzinsky, M.; Soltys, L; Wawiorko, J. | ||||
| Title | Estimate of excitability of half bred horses | Type | Conference Article | ||
| Year | 1993 | Publication | 43 Annual meeting FEZ. Madrid | Abbreviated Journal | |
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| Call Number | Equine Behaviour @ team @ | Serial | 5020 | ||
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| Author | Fabre-Thorpe, M.; Fagot, J.; Lorincz, E.; Levesque, F.,; Vauclair, J. | ||||
| Title | Laterality in cats: Paw preference and performance in a visuomotor activity. | Type | Journal Article | ||
| Year | 1993 | Publication | Cortex | Abbreviated Journal | Cortex |
| Volume | 29 | Issue | Pages | 15-24 | |
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| Abstract | In a two-choice discrimination paradigm, a bottlenose dolphin discriminated relational dimensions between visual numerosity stimuli under monocular viewing conditions. After prior binocular acquisition of the task, two monocular test series with different number stimuli were conducted. In accordance with recent studies on visual lateralization in the bottlenose dolphin, our results revealed an overall advantage of the right visual field. Due to the complete decussation of the optic nerve fibers, this suggests a specialization of the left hemisphere for analysing relational features between stimuli as required in tests for numerical abilities. These processes are typically right hemisphere-based in other mammals (including humans) and birds. The present data provide further evidence for a general right visual field advantage in bottlenose dolphins for visual information processing. It is thus assumed that dolphins possess a unique functional architecture of their cerebral asymmetries. | ||||
| Address | Bottlenose dolphin; Hemispheric specialization; Monocular vision; Numerical ability | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 5367 | ||
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| Author | Neveu, P.J. | ||||
| Title | Brain Lateralization and Immunomodulation | Type | Journal Article | ||
| Year | 1993 | Publication | International Journal of Neuroscience | Abbreviated Journal | Int J Neurosci |
| Volume | 70 | Issue | 1-2 | Pages | 135-143 |
| Keywords | Psychoneuroimmunology, brain lateralization | ||||
| Abstract | The two sides of the brain may be differently involved in the modulation of immune responses as demonstrated by lesional and behavioral approaches in rodents. Lesions of right or left neocortex induced opposite effects on various immune parameters including mitogen-induced lymphoproliferation, interleukin-2 production, macrophage activation or natural killer cell activity. This animal model, useful to elucidate whereby the brain and the immune system can communicate, appears to be suitable for studying the immune perturbations observed during stroke in humans. Brain asymmetry in modulation of immune reactivity may also be demonstrated in intact animal using a behavioral paradigm. The direction of a lateralized motor behavior ie paw preference in a food reaching task, correlated with an asymmetrical brain organization, was shown to be associated with lymphocyte reactivity, natural killer cell activity and auto-antibody production. The association between paw preference and immune reactivity in mice varies according to the immune parameters tested and is a sex-dependent phenomenon in which genetic background may be involved. The experimental models for investigating asymmetrical brain modulation of the immune system should be useful for studying several physiological, pathological and genetic aspects of neuroimmunomodulation. | ||||
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| Publisher | Informa Clin Med | Place of Publication |
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| ISSN | 0020-7454 | ISBN | Medium | ||
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| Notes | doi: 10.3109/00207459309000569 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5778 | ||
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| Author | Herbert, T.B.; Cohen, S. | ||||
| Title | Stress and immunity in humans: a meta-analytic review | Type | Journal Article | ||
| Year | 1993 | Publication | Psychosomatic Medicine | Abbreviated Journal | |
| Volume | 55 | Issue | 4 | Pages | |
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| Abstract | : This article presents a meta-analysis of the literature on stress and immunity in humans. The primary analyses include all relevant studies irrespective of the measure or manipulation of stress. The results of these analyses show substantial evidence for a relation between stress and decreases in functional immune measures (proliferative response to mitogens and natural killer cell activity). Stress is also related to numbers and percent of circulating white blood cells, immunoglobulin levels, and antibody titers to herpesviruses. Subsequent analyses suggest that objective stressful events are related to larger immune changes than subjective self-reports of stress, that immune response varies with stressor duration, and that interpersonal events are related to different immune outcomes than nonsocial events. We discuss the way neuroendocrine mechanisms and health practices might explain immune alteration following stress, and outline issues that need to be investigated in this area. Copyright (C) 1993 by American Psychosomatic Society | ||||
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| ISSN | 0033-3174 | ISBN | Medium | ||
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| Call Number | Equine Behaviour @ team @ 00006842-199307000-00004 | Serial | 5995 | ||
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