| Records |
| Author |
Nishida, T.; Hosaka K. |
Title  |
Coalition strategies among adult male chimpanzees of the Mahale Mountains, Tanzania. |
Type |
Book Chapter |
| Year |
1996 |
Publication |
Great Ape Societies. |
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| Volume |
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Issue |
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Pages |
114-135 |
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Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
McGrew, W. C.; Marchant, L. F.; Nishida, T. |
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Equine Behaviour @ team @ |
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5470 |
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| Author |
Macphail, E.M. |
| Title |
Cognitive function in mammals: the evolutionary perspective |
Type |
Journal Article |
| Year |
1996 |
Publication |
Brain research. Cognitive brain research |
Abbreviated Journal |
Brain Res Cogn Brain Res |
| Volume |
3 |
Issue |
3-4 |
Pages |
279-290 |
| Keywords |
Animals; Cognition/*physiology; Conditioning (Psychology)/*physiology; Evolution; Humans; Learning/*physiology; Task Performance and Analysis |
| Abstract |
The work of behavioural pharmacologists has concentrated on small animals, such as rodents and pigeons. The validity of extrapolation of their findings to humans depends upon the existence of parallels in both physiology and psychology between these animals and humans. This paper considers the question whether there are in fact substantial cognitive parallels between, first, different non-human groups of vertebrates and, second, non-humans and humans. Behavioural data from 'simple' tasks, such as habituation and conditioning, do not point to species differences among vertebrates. Using examples that concentrate on the performance of rodents and birds, it is argued that, similarly, data from more complex tasks (learning-set formation, transitive inference, and spatial memory serve as examples) reveal few if any cognitive differences amongst non-human vertebrates. This conclusion supports the notion that association formation may be the critical problem-solving process available to non-human animals; associative mechanisms are assumed to have evolved to detect causal links between events, and would therefore be relevant in all ecological niches. In agreement with this view, recent advances in comparative neurology show striking parallels in functional organisation of mammalian and avian telencephalon. Finally, it is argued that although the peculiarly human capacity for language marks a large cognitive contrast between humans and non-humans, there is good evidence-in particular, from work on implicit learning--that the learning mechanisms available to non--humans are present and do play an important role in human cognition. |
| Address |
Department of Psychology, University of York at Heslington, UK |
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English |
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0926-6410 |
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| Notes |
PMID:8806029 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
603 |
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| Author |
Hogue, M.-E.; Beaugrand, J.P.; Lague, P.C. |
| Title |
Coherent use of information by hens observing their former dominant defeating or being defeated by a stranger |
Type |
Journal Article |
| Year |
1996 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
38 |
Issue |
3 |
Pages |
241-252 |
| Keywords |
Domestic fowl; Dominance; Hierarchy formation; Observation; Transitive inference |
| Abstract |
This study examines the role of observation during the formation of triads in female domestic hens. Results indicate that during hierarchy formation, a hen observing agonistic interactions and conflict settlement between its former dominant and a stranger uses this information when in turn confronted by the latter. Under a first condition (E, N = 15 triads), bystanders witnessed their prior dominant being defeated by a stranger before being introduced to them. In a second condition (C1, N = 16 triads), bystanders witnessed the victory of their prior dominant over a stranger. In a third condition (C2, N = 15 triads), bystanders witnessed two strangers establishing a dominance relationship before being introduced to their prior dominant and to a stranger the former had just defeated. The behavioural strategies of bystanders depended on the issue of the conflict they had witnessed. Bystanders of the E condition behaved as having no chance of defeating the stranger. They never initiated an attack against it, and upon being attacked, readily submitted in turn to the stranger. On the contrary, bystanders of the C1 condition behaved as having some chances against the stranger. They initiated attacks in 50% of cases, and won 50% of conflicts against the stranger. Under condition C2, bystanders first initiated contact with the strangers in only 27% of cases, which approximates the average of their chances for defeating the stranger. However, bystanders finally defeated the strangers in 40% of cases. These results suggest that bystanders of conditions E and C1 gained some information on the relationship existing between their prior dominant and the stranger and that they used it coherently, perhaps through transitive inference, thus contributing to the existence of transitive relationships within the triads. Alternate explanations are examined. |
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refbase @ user @ |
Serial |
396 |
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| Author |
Gallistel, C.R.; Cramer, A.E. |
| Title |
Computations on metric maps in mammals: getting oriented and choosing a multi-destination route |
Type |
Journal Article |
| Year |
1996 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
J Exp Biol |
| Volume |
199 |
Issue |
Pt 1 |
Pages |
211-217 |
| Keywords |
Animals; Brain/physiology; Cercopithecus aethiops; Cognition/*physiology; Humans; Mammals/*physiology; Movement; Orientation/*physiology; Rats; Space Perception; Visual Pathways/*physiology |
| Abstract |
The capacity to construct a cognitive map is hypothesized to rest on two foundations: (1) dead reckoning (path integration); (2) the perception of the direction and distance of terrain features relative to the animal. A map may be constructed by combining these two sources of positional information, with the result that the positions of all terrain features are represented in the coordinate framework used for dead reckoning. When animals need to become reoriented in a mapped space, results from rats and human toddlers indicate that they focus exclusively on the shape of the perceived environment, ignoring non-geometric features such as surface colors. As a result, in a rectangular space, they are misoriented half the time even when the two ends of the space differ strikingly in their appearance. In searching for a hidden object after becoming reoriented, both kinds of subjects search on the basis of the object's mapped position in the space rather than on the basis of its relationship to a goal sign (e.g. a distinctive container or nearby marker), even though they have demonstrably noted the relationship between the goal and the goal sign. When choosing a multidestination foraging route, vervet monkeys look at least three destinations ahead, even though they are only capable of keeping a maximum of six destinations in mind at once. |
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Department of Psychology, University of California, Los Angeles 90095, USA |
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English |
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0022-0949 |
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| Notes |
PMID:8576692 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2757 |
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| Author |
Treichler, F.R.; Van Tilburg, D. |
| Title |
Concurrent Conditional Discrimination Tests of Transitive Inference by Macaque Monkeys: List Linking |
Type |
Journal Article |
| Year |
1996 |
Publication |
Journal of Experimental Psychology: Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
22 |
Issue |
1 |
Pages |
105-117 |
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| Abstract |
Processing of serial information was assessed by training six macaques on a five-item list of objects arranged into the four conditional pairs, A-B+, B-C+, C-D+, and D-E+. An analogous list (F through J) was similarly trained. Subsequently, both lists were linked by training on E-F+, a pair that provided adjacent elements from each list. Then, all unique and trained object pairs from both lists were presented as a test. Results indicated that the objects were retained as a single, linearly organized list with choice accuracy directly related to interitem distance between paired objects. A second experiment explored the consequences of incidence of conflicting information on list organization. In both experiments, selections depended on representational processes and supported the view that monkeys and pigeons retain serial lists in qualitatively different ways. |
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refbase @ user @ |
Serial |
718 |
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| Author |
Monard, A.-M.; Duncan, P. |
| Title |
Consequences of natal dispersal in female horses |
Type |
Journal Article |
| Year |
1996 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
52 |
Issue |
3 |
Pages |
565-579 |
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Social, genetic and reproductive consequences of natal dispersal were investigated in female horses,Equus caballus, living in a herd with a natural social structure. Dispersal did not as a rule reduce the level of competition the young mares faced: they did not selectively join groups with fewer resident females than the groups they left, and they did not attain higher ranks; there was also no tendency for females to disperse to groups with the fewest resident females, and they suffered more aggression from the mares in their new groups than in their natal groups. These results therefore do not support the hypothesis that a function of natal dispersal is to reduce intra-sexual competition. The young mares nevertheless dispersed non-randomly, generally joining harems with one stallion and at least two subadult females; and they preferred to move to groups with familiar females but no familiar males. As a result, most were closely related to some females of their new groups, but distantly related or unrelated to the male(s). Since after dispersal the young mares bred only with a male of their new groups, inbreeding coefficients of most (85%) of their offspring were lower than from matings between half siblings. These results are consistent with the hypothesis that a function of natal dispersal is to avoid close inbreeding. Dispersal did not appear to involve reproductive costs: the young mares suffered no delay in age at first reproduction, and the survival rates of their first foals tended to be higher if the females had emigrated, although not significantly so. |
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no |
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Equine Behaviour @ team @ |
Serial |
2386 |
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| Author |
de Waal, F.B.M.; Aureli, F. |
| Title |
Consolation, reconciliation, and a possible cognitive difference between macaque and chimpanzee |
Type |
Book Chapter |
| Year |
1996 |
Publication |
Reaching into Thought: The Minds of the Great Apes |
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Pages |
80–110. |
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Russon,A.E.; Bard, K.A.; Parker, S.T. |
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Cambridge University Press |
Place of Publication |
Cambridge |
Editor |
Russon,A.E.; Bard, K.A.; Parker, S.T. |
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no |
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Equine Behaviour @ team @ |
Serial |
5060 |
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| Author |
Dugatkin, L.A.; Mesterton-Gibbons, M. |
| Title |
Cooperation among unrelated individuals: reciprocal altruism, by-product mutualism and group selection in fishes |
Type |
Journal Article |
| Year |
1996 |
Publication |
Biosystems |
Abbreviated Journal |
Biosystems |
| Volume |
37 |
Issue |
1-2 |
Pages |
19-30 |
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By-product mutualism; Cooperative behavior; Fish; Reciprocal altruism; Trait-group selection |
| Abstract |
Cooperation among unrelated individuals can evolve not only via reciprocal altruism but also via trait-group selection or by-product mutualism (or some combination of all three categories). Therefore the (iterated) prisoner's dilemma is an insufficient paradigm for studying the evolution of cooperation. We replace this game by the cooperator's dilemma, which is more versatile because it enables all three categories of cooperative behavior to be examined within the framework of a single theory. Controlled studies of cooperation among fish provide examples of each category of cooperation. Specifically, we describe reciprocal altruism among simultaneous hermaphrodites that swap egg parcels, group-selected cooperation among fish that inspect dangerous predators and by-product mutualism in the cooperative foraging of coral-reef fish. |
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refbase @ user @ |
Serial |
481 |
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| Author |
Brückner, Prof. Dr. med. Roland |
| Title |
Dein Pferd, sein Auge, seine Sehweise |
Type |
Book Whole |
| Year |
1996 |
Publication |
Selbstverlag |
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80 |
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Inhalt u.a.: Das Pferdeauge, Sehorgan eines Weidegängers. Das Gesichtsfeld. Hornhaut und Pupille. Bewegungen des Augenpaares. Die Zusammenkoppelung der Augen. Sehschärfe. Scharfeinstellung des Auges für die Nähe. Stereopsis (“dreidimensionales” Sehen). Verhalten bei Blindheit mit verbundenen Augen. Augenkrankheiten bei Pferden. Überprüfung der Gesundheit des Pferdeauges. |
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Selbstverlag |
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Basel |
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Deutsch |
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fehlt |
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fehlt |
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Reiten Lesen Denken @ eberhardhuebener @ |
Serial |
3994 |
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| Author |
Laland, K. N.; Richerson, P. J.; Boyd, R. |
| Title |
Developing a theory of animal social learning. |
Type |
Book Chapter |
| Year |
1996 |
Publication |
Social learning in animals: the roots of culture. |
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Pages |
129-154 |
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Academic Press |
Place of Publication |
San Diego, California |
Editor |
Heyes, C. M.;Galef,B. G. J. |
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Equine Behaviour @ team @ home |
Serial |
4093 |
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