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Author |
Müller-Wohlfahrt, H.W.; Kübler,U.; Müller- Wohlfahrt, H. W. |
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Title |
Hundert Prozent fit und gesund. Das Geheimnis des gesunden Menschen. |
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1998 |
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Heyne |
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München |
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German |
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9783453132733 |
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Call Number |
Equine Behaviour @ team @ |
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4446 |
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Author |
Redbo, I.; Redbo-Torstensson, P.; Ödberg, F.O.; Hedendahl, A.; Holm, J. |
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Title |
Factors affecting behavioural disturbances in race-horses |
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Journal Article |
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Year |
1998 |
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Animal Science |
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Volume |
66 |
Issue |
2 |
Pages |
475-481 |
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Cited By (since 1996): 30; Export Date: 21 October 2008 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4541 |
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Author |
Shettleworth, S.J. |
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Title |
Cognition, Evolution and Behaviour |
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1998 |
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Description
How do animals perceive the world, learn, remember, search for food or mates, and find their way around? Do any non-human animals count, imitate one another, use a language, or think as we do? What use is cognition in nature and how might it have evolved? Historically, research on such questions has been fragmented between psychology, where the emphasis has been on theoretical models and lab experiments, and biology, where studies focus on evolution and the adaptive use of perception, learning, and decision-making in the field.
Cognition, Evolution and the Study of Behavior integrates research from psychology, behavioral ecology, and ethology in a wide-ranging synthesis of theory and research about animal cognition in the broadest sense, from species-specific adaptations in fish to cognitive mapping in rats and honeybees to theories of mind for chimpanzees. As a major contribution to the emerging discipline of comparative cognition, the book is an invaluable resource for all students and researchers in psychology, zoology, behavioral neuroscience. It will also interest general readers curious about the details of how and why animals--including humans--process, retain, and use information as they do.
Reviews
“This book is a very comprehensive review of animal cognition. It differs from other texts on this topic in a number of ways, as outlined by Shettleworth in her preface and in the opening chapter. Essentially, Shettleworth wants to advocate an 'adaptationist or ecological approach to cognition'. In doing so, she brings together a wealth of data on animal cognition, studied from quite different theoretical viewpoints, such as cognitive ethology, animal learning theory, neuroscience, behavioural ecology and cognitive psychology. . . . Each chapter ends with a clear and useful summary, and helpful suggestions for further reading. The book's numerous illustrations, which are mostly tables or figures redrawn by Margaret Nelson, greatly add to its appeal. . . . [T]his is a marvellously rich, well-written and stimulating book. . . . I greatly enjoyed reading [and] recommend it highly to anyone interested in animal cognition, evolution and behaviour.”--Animal Behaviour
“Sara Shettleworth has probably written the most comprehensive study of the animal mind ever and therefore a fundamental textbook on 'comparative cognition'. She first gets consciousness out of the way: whether an animal is conscious or not is impossible to determine, since consciousness is a private, subjective phenomenon. We can study cognition, and certainly cognition lends credibility to the idea that at least some animals must be at least to some degree conscious, but experiments can only prove facts about cognition. She reviews the field of cognitive ethology from the beginning and then analyzes the main cognitive tasks from an information-processing perspective By the end of her review of cognitive faculties, it become apparent that, at least among vertebrates, there are no significant differences in learning, except for language. All vertebrates are capable of 'associative' learning What no other vertebrate seems to be capable of is 'syntax'.” -- Piero Scaruffi, Thymos.com |
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Oxford University Press |
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Oxford |
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9780195110487 |
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Equine Behaviour @ team @ |
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4712 |
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Author |
Yulk G. |
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Title |
Leadership in organizations. |
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1998 |
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Yulk G. 1998. Leadership in organizations. Englewood Cliffs, NJ: Prentice-Hall
Leadership in Organizations focuses on effective leadership in organizations through both theory and practice. This book explains and critiques the major theories and studies that are most relevant and informative and reviews what we know about leadership effectiveness. This combination of theory and practice makes this text a useful resource for practicing managers who are looking for something more than superficial answers to difficult questions about leadership. |
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Prentice-Hall |
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Englewood Cliffs, NJ |
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978-0138142681 |
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Equine Behaviour @ team @ |
Serial |
4806 |
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Author |
Schwartz, E.B.; Granger, D.A.; Susman, E.J.; Gunnar, M.R.; Laird, B. |
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Title |
Assessing Salivary Cortisol in Studies of Child Development |
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Journal Article |
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Year |
1998 |
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Child Development |
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69 |
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6 |
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1503-1513 |
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In a series of studies, we evaluated the susceptibility of radioimmunoassays (RIA) for saliva cortisol to interference effects caused by oral stimulants used to facilitate saliva collection in studies with children. When added directly to saliva samples, oral stimulants (drink mix crystals) artificially inflated estimated cortisol concentrations. The magnitude of the interference effect was concentration-dependent and more pronounced for some stimulants and RIA procedures than for others. Analysis of samples collected using oral stimulants from child and adult participants confirmed stimulant interference as an extraneous source of variability in measured saliva cortisol. Associations between serum and saliva cortisol and between saliva cortisol and “behavioral” variables were attenuated by stimulant interference. A survey of six large child studies estimated interference effects, indexed by low sample pH, to be present in 14.7% of the 1,148 total saliva samples, or 2%-54% (M= 22%) of samples within each study. Recommendations to minimize the impact of stimluant interference in studies involving salivary cortisol in the context of child health and development are outlined. |
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Blackwell Publishing Ltd |
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1467-8624 |
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Equine Behaviour @ team @ |
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5562 |
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Author |
Alexander, S.L.; Irvine, C.H. |
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The effect of social stress on adrenal axis activity in horses: the importance of monitoring corticosteroid-binding globulin capacity |
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Journal Article |
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Year |
1998 |
Publication |
Journal of Endocrinology |
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157 |
Issue |
3 |
Pages |
425-432 |
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Abstract |
Plasma cortisol is largely bound to corticosteroid-binding globulin (CBG), which regulates its bioavailability by restricting exit from capillaries. Levels of CBG may be altered by several factors including stress and this can influence the amount of cortisol reaching cells. This study investigated the effect of social instability on plasma concentrations of CBG, total and free (not protein bound) cortisol in horses. Horses new to our research herd ('newcomers') were confined in a small yard with four dominant resident horses for 3-4 h daily for 3-4 (n = 5) or 9-14 (n = 3) days. Jugular blood was collected in the mornings from newcomers before the period of stress began ('pre-stress'), and then before each day's stress. Residents were bled before stress on the first and thirteenth day. Residents always behaved aggressively towards newcomers. By the end of the stress period, all newcomers were subordinate to residents. In newcomers (n = 8) after 3-4 days of social stress, CBG binding capacity had fallen (P = 0.0025), while free cortisol concentrations had risen (P = 0.0016) from pre-stress values. In contrast, total cortisol did not change. In residents, CBG had decreased slightly but significantly (P = 0.0162) after 12 days of stress. Residents and newcomers did not differ in pre-stress CBG binding capacity, total or free cortisol concentrations. However, by the second week of stress, CBG binding capacity was lower (P = 0.015) and free cortisol higher (P = 0.030) in newcomers (n = 3) than in residents. Total cortisol did not differ between the groups. In conclusion social stress clearly affected the adrenal axis of subordinate newcomer horses, lowering the binding capacity of CBG and raising free cortisol concentrations. However, no effect of stress could be detected when only total cortisol was measured. Therefore, to assess adrenal axis status accurately in horses, it is essential to monitor the binding capacity of CBG and free cortisol concentrations in addition to total cortisol levels. |
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Notes |
10.1677/joe.0.1570425 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5844 |
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Author |
Vetvik, H.; Grewal, H.M.S.; Haugen, I.L.; Åhrén, C.; Haneberg, B. |
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Title |
Mucosal antibodies can be measured in air-dried samples of saliva and feces |
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Journal Article |
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Year |
1998 |
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Journal of Immunological Methods |
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215 |
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1–2 |
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163-172 |
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Saliva; Feces; IgA; IgG; Air-drying |
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IgA antibodies reflecting airways or intestinal mucosal immune responses can be found in saliva and feces, respectively, and IgG antibodies reflecting serum antibodies can be found in saliva. In this study, antibodies were detected in samples of saliva and feces which had been air-dried at room temperature (+20°C) or +37°C, and stored at these temperatures for up to 6 months. In saliva the antibody levels increased, while the antibodies in feces decreased upon storage. The individual IgA antibody concentrations which were adjusted by using the ratios of specific IgA/total IgA were relatively stable in both saliva and feces, and correlated with corresponding antibody levels in samples which had been stored at -20°C. The results indicate that air-dried saliva and feces can be used for semiquantitative measurements of mucosal antibodies, even after prolonged storage at high temperatures and lack of refrigeration. |
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0022-1759 |
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Equine Behaviour @ team @ |
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5996 |
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Author |
Nissen, J. |
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Title |
Enzyklopädie der Pferderassen |
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1998 |
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Kosmos |
Place of Publication |
Stuttgart |
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Equine Behaviour @ team @ |
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6543 |
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Author |
Oakenfull, E.A.; Ryder, O.A. |
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Title |
Mitochondrial control region and 12S rRNA variation in Przewalski's horse (Equus przewalskii) |
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Journal Article |
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Year |
1998 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
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29 |
Issue |
6 |
Pages |
456-459 |
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Keywords |
Animals; DNA, Mitochondrial/*genetics; Female; *Genetic Variation; Horses/*genetics; Male; Pedigree; RNA, Ribosomal/*genetics |
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Variation in the control region and the 12S rRNA gene of all surviving mitochondrial lineages of Przewalski's horse was investigated. Variation is low despite the present day population being descended from 13 individuals probably representing animals from three different regions of its range. Phylogenetic comparison of these sequences, with sequences for the domestic horse, does not resolve the ancestral status of either horse. |
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Center for Reproduction of Endangered Species, Zoological Society of San Diego, CA 92112, USA |
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English |
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0268-9146 |
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PMID:9883508 |
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Equine Behaviour @ team @ |
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5040 |
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Author |
Cameron, E.Z. |
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Title |
Is suckling behaviour a useful predictor of milk intake? A review |
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Journal Article |
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Year |
1998 |
Publication |
Animal Behaviour. |
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Anim. Behav. |
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56 |
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3 |
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521-532 |
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In studies on mammalian parental investment, time spent suckling is often used as a predictor of the milk transferred from mother to infant. It is assumed that the rate of milk transfer is positively correlated with the time spent suckling. However, this assumption has not been tested and empirical studies show conflicting results. Nevertheless, in species in which suckling can readily be observed, time spent suckling is still used to measure milk transfer, although an increasing number of workers recognize that the measure is potentially inaccurate. A meta-analysis on studies that have correlated measures of time spent suckling with milk intake estimates based on weight gain revealed a weak positive relationship and significant heterogeneity between studies. Isotope-labelling techniques for the measurement of milk transfer independent of behaviour have been in use since the 1970s, particularly in studies of species in which suckling is difficult to observe. Only one study has attempted to correlate behavioural measures with independent isotope measures, and it found no relationship between the two measures. I suggest that researchers have avoided such a test as it is unlikely that a strong relationship will be found between milk transfer and suckling behaviour, and I discuss the various factors that confound the relationship and contribute to high heterogeneity between studies. Consequently, the assumption that milk transfer can be measured by time spent suckling has inadequate empirical foundation, and needs to be tested using isotope-labelling methods. Copyright 1998 The Association for the Study of Animal Behaviour |
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Department of Ecology, Massey University |
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0003-3472 |
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PMID:9784199 |
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refbase @ user @ |
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419 |
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