| Records |
Author  |
Würbel, H. |
| Title |
The relationship between social structure and mating system in donkeys & Mating strategies of male donkeys in a promiscuous mating system"l structure and mating system in donkeys & |
Type |
Manuscript |
| Year |
1990 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Address |
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Thesis |
Diploma thesis |
| Publisher |
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Place of Publication |
Faculty of Natural Sciences, University of Berne, Switzerland |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1724 |
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| Author |
Wittling, W.; Pflüger, M. |
| Title |
Neuroendocrine hemisphere asymmetries: Salivary cortisol secretion during lateralized viewing of emotion-related and neutral films |
Type |
Journal Article |
| Year |
1990 |
Publication |
Brain and Cognition |
Abbreviated Journal |
Brain Cogn. |
| Volume |
14 |
Issue |
2 |
Pages |
243-265 |
| Keywords |
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| Abstract |
The study set out to examine whether the cerebral hemispheres differ in their ability to regulate cortisol secretion during emotion-related situations. One hundred twenty-three adult subjects were shown either an emotionally aversive or a neutral film in the left or right hemisphere by means of a technique for lateralizing visual input that allows prolonged viewing while permitting free ocular scanning. The film-related changes of cortisol secretion were determined by salivary cortisol radioimmunoassay. Right hemispheric viewing of the emotionally aversive film resulted in a significantly higher increase of cortisol secretion than left hemispheric viewing of the same film. No such differences were observed with respect to the neutral film. Comparing the effects of the two films separately for each hemisphere revealed that only the right hemisphere was able to respond neuroendocrinologically in a different manner to the emotional and the neutral film. Therefore, it is concluded that cortical regulation of cortisol secretion in emotion-related situations is under primary control of the right hemisphere. The potential implications of asymmetric control of cortisol secretion with respect to the pathogenesis of psychosomatic and immunological disorders are discussed. |
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| ISSN |
0278-2626 |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5350 |
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| Author |
Wittling, W. |
| Title |
Psychophysiological correlates of human brain asymmetry: Blood pressure changes during lateralized presentation of an emotionally laden film |
Type |
Journal Article |
| Year |
1990 |
Publication |
Neuropsychologia |
Abbreviated Journal |
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| Volume |
28 |
Issue |
5 |
Pages |
457-470 |
| Keywords |
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| Abstract |
Fifty adult subjects were shown an emotionally positive film either in their left or right hemisphere by means of a technique for lateralizing visual input that allows prolonged viewing while permitting free ocular scanning. It was found that the cerebral hemispheres markedly differ in their capability to regulate blood pressure during emotionally laden situations of a distinctly positive nature. Right-hemispheric film presentation caused a significantly higher increase in systolic and diastolic pressure that left-hemispheric viewing of the same film. Moreover, hemisphere asymmetries were further increased if lateralized stimulus presentation and the lateralized carrying out of a stimulus-related response were combined within the same hemisphere, thereby enhancing unilateral processing. Finally, males and females clearly differed with respect to interhemispheric regulation of blood pressure. |
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| ISSN |
0028-3932 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5352 |
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| Author |
Wiesner, J.; V. Hegel, G. |
| Title |
Zur Immobilisation von Wildequiden mit STH 2130 und Tiletamin/Zolazepam |
Type |
Journal Article |
| Year |
1990 |
Publication |
Tierärtzliche Praxis |
Abbreviated Journal |
Tierärzl Prax |
| Volume |
18 |
Issue |
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Pages |
151-154 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1707 |
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| Author |
Visalberghi E |
| Title |
Tool use in Cebus |
Type |
Journal Article |
| Year |
1990 |
Publication |
Folia Primatol. |
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| Volume |
54 |
Issue |
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Pages |
146 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3045 |
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| Author |
Tooze, Z.J.; Harrington, F.H.; Fentress, J.C. |
| Title |
Individually distinct vocalizations in timber wolves, Canis lupus |
Type |
Journal Article |
| Year |
1990 |
Publication |
Anim Behav |
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| Volume |
40 |
Issue |
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| Call Number |
Equine Behaviour @ team @ Tooze1990 |
Serial |
6468 |
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| Author |
Tomasello, M. |
| Title |
Cultural transmission in the tool use and communicatory signalling of chimpanzees? |
Type |
Book Chapter |
| Year |
1990 |
Publication |
Language and Intelligence in Monkeys and Apes. |
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Issue |
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Pages |
274-311 |
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| Publisher |
Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
Parker,S.T.;Gibson,K.R. |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5267 |
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| Author |
Thouless, C.R. |
| Title |
Feeding competition between grazing red deer hinds |
Type |
Journal Article |
| Year |
1990 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
40 |
Issue |
1 |
Pages |
105-111 |
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| Abstract |
The effect of social rank on the feeding behaviour of female red deer, Cervus elaphus L., on the Isle of Rhum, Scotland, was investigated. Hinds were less likely to approach and more likely to leave the vicinity of other individuals if these hinds were dominant to them. Movements away by subordinates were more likely to involve a break from feeding. Feeding rate, as measured by bite rate, increased with distance from dominant neighbours, but was unaffected by the distance to subordinates. It appears that aggressive interactions had little direct effect on access to food. Instead, it is suggested that feeding competition in red deer hinds is largely a passive process, operating through the avoidance of conflict by subordinates. |
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no |
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Equine Behaviour @ team @ |
Serial |
4267 |
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| Author |
Thierry, B. |
| Title |
Feedback loop between kinship and dominance: the macaque model |
Type |
Journal Article |
| Year |
1990 |
Publication |
Journal of Theoretical Biology |
Abbreviated Journal |
J. Theor. Biol. |
| Volume |
145 |
Issue |
4 |
Pages |
511-522 |
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| Abstract |
There is growing evidence that macaque social systems represent sets of coadapted traits in which strength of hierarchies and degree of nepotism covary. A framework is developed to explain the link between dominance and kinship phenomena, assuming that power brought by alliances among non-kin is allometrically related to those involving relatives. This can account for the type of social relationships observed in “despotic” systems vs. “egalitarian” ones. When social bonds are mostly founded on kinship, lineages are closed and social power generated by coalitions among relatives may reach high levels; social power frequently outweighs the fighting abilities of single individuals, and asymmetry of dominance between group members may be marked. When lineages are more open, social bonds and alliances are less kin-biased, social relationships are more equal, and as the influence of coalitions is less important, the individual retains a certain degree of freedom in relation to the power of kin-networks. Acknowledging that the balance between individual and social power is not set at the same level across different species can explain a number of variations in rules of rank inheritance and relative dominance of males and females among macaques. The framework illustrates how epigenetic processes may shape complex features of primate social systems, and offers opportunities for testing. |
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no |
| Call Number |
refbase @ user @ |
Serial |
867 |
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| Author |
Stander, P.E., Nott, T.B., Lindeque, P.M.; Lindeque, M. |
| Title |
Mass marking of zebras in the Etosha National Park, Namibia |
Type |
Journal Article |
| Year |
1990 |
Publication |
Madoqua |
Abbreviated Journal |
Madoqua |
| Volume |
17 |
Issue |
1 |
Pages |
47-49 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1627 |
| Permanent link to this record |
