| Records |
| Author |
Call, J. |
| Title |
A fish-eye lens for comparative studies: broadening the scope of animal cognition |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue  |
1 |
Pages |
15-16 |
| Keywords |
Animals; Behavior, Animal/physiology; Cognition/*physiology; Fishes/*physiology; Species Specificity |
| Abstract |
? is the article no longer available? |
| Address |
call@eva.mpg.de |
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English |
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| ISSN |
1435-9448 |
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| Notes |
PMID:11957396 |
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no |
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Equine Behaviour @ team @ |
Serial |
2616 |
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| Author |
Bshary, R.; Wickler, W.; Fricke, H. |
| Title |
Fish cognition: a primate's eye view |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
1 |
Pages |
1-13 |
| Keywords |
Animals; Cognition/*physiology; Evolution; Fishes/*physiology; Intelligence; Learning; Primates/*physiology; Social Behavior |
| Abstract |
We provide selected examples from the fish literature of phenomena found in fish that are currently being examined in discussions of cognitive abilities and evolution of neocortex size in primates. In the context of social intelligence, we looked at living in individualized groups and corresponding social strategies, social learning and tradition, and co-operative hunting. Regarding environmental intelligence, we searched for examples concerning special foraging skills, tool use, cognitive maps, memory, anti-predator behaviour, and the manipulation of the environment. Most phenomena of interest for primatologists are found in fish as well. We therefore conclude that more detailed studies on decision rules and mechanisms are necessary to test for differences between the cognitive abilities of primates and other taxa. Cognitive research can benefit from future fish studies in three ways: first, as fish are highly variable in their ecology, they can be used to determine the specific ecological factors that select for the evolution of specific cognitive abilities. Second, for the same reason they can be used to investigate the link between cognitive abilities and the enlargement of specific brain areas. Third, decision rules used by fish could be used as 'null-hypotheses' for primatologists looking at how monkeys might make their decisions. Finally, we propose a variety of fish species that we think are most promising as study objects. |
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University of Cambridge, Department of Zoology, Downing Street, Cambridge CB2 3EJ, UK. rb286@cam.ac.uk |
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1435-9448 |
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PMID:11957395 |
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no |
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Equine Behaviour @ team @ |
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2617 |
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| Author |
Manns, J.R.; Clark, R.E.; Squire, L.R. |
| Title |
Standard delay eyeblink classical conditioning is independent of awareness |
Type |
Journal Article |
| Year |
2002 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
28 |
Issue |
1 |
Pages |
32-37 |
| Keywords |
Aged; *Awareness; *Blinking; *Conditioning, Classical; Humans |
| Abstract |
P. F. Lovibond and D. R. Shanks (2002) suggested that all forms of classical conditioning depend on awareness of the stimulus contingencies. This article considers the available data for eyeblink classical conditioning, including data from 2 studies (R. E. Clark, J. R. Manns, & L. R. Squire, 2001; J. R. Manns, R. E. Clark, & L. R. Squire, 2001) that were completed too recently to have been considered in their review. In addition, in response to questions raised by P. F. Lovibond and D. R. Shanks, 2 new analyses of data are presented from studies published previously. The available data from humans and experimental animals provide strong evidence that delay eyeblink classical conditioning (but not trace eyeblink classical conditioning) can be acquired and retained independently of the forebrain and independently of awareness. This conclusion applies to standard conditioning paradigms; for example, to single-cue delay conditioning when a tone is used as the conditioned stimulus (CS) and to differential delay conditioning when the positive and negative conditioned stimuli (CS+ and CS-) are a tone and white noise. |
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Department of Psychology, University of California, San Diego, USA |
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0097-7403 |
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PMID:11868232 |
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no |
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Equine Behaviour @ team @ |
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2769 |
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| Author |
Byrne, R. |
| Title |
When cognitive psychology met Japanese primatology |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
1 |
Pages |
59-60 |
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no |
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Equine Behaviour @ team @ |
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3180 |
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| Author |
Miklósi, Á. |
| Title |
On the usefulness and limits of functional analogies |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
1 |
Pages |
17-18 |
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Equine Behaviour @ team @ |
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3227 |
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| Author |
Fisher, D.O.; Blomberg, S.P.; Owens, I.P.F. |
| Title |
Convergent Maternal Care Strategies In Ungulates And Macropods |
Type |
Journal Article |
| Year |
2002 |
Publication |
Evolution |
Abbreviated Journal |
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| Volume |
56 |
Issue |
1 |
Pages |
167-176 |
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Mammals show extensive interspecific variation in the form of maternal care. Among ungulates, there is a dichotomy between species in which offspring follow the mother (“following” strategy) versus species in which offspring remain concealed (“hiding” strategy). Here we reveal that the same dichotomy exists among macropods (kangaroos, wallabies and allies). We test three traditional adaptive explanations and one new life history hypothesis, and find very similar patterns among both ungulates and macropods. The three traditional explanations that we tested were that a “following” strategy is associated with (1) open habitat, (2) large mothers, and (3) gregariousness. Our new life-history hypothesis is that a “following strategy” is associated with delayed weaning, and thus with the “slow” end of the slow-fast mammalian life-history continuum, because offspring devote resources to locomotion rather than rapid growth. Our comparative test strongly supports the habitat structure hypothesis and provides some support for this new delayed weaning hypothesis for both ungulates and macropods. We propose that sedentary young in closed habitats benefit energetically by having milk brought to them. In open habitats, predation pressure will select against hiding. Followers will suffer slower growth to independence. Taken together, therefore, our results provide the first quantitative evidence that macropods and ungulates are convergent with respect to interspecific variation in maternal care strategy. In both clades, differences between species in the form of parental care are due to a similar interaction between habitat, social behavior, and life history. Corresponding Editor: B. Crespi |
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Equine Behaviour @ team @ |
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4252 |
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| Author |
Edling, C.R. |
| Title |
Mathematics In Sociology |
Type |
Journal Article |
| Year |
2002 |
Publication |
Annual Review of Sociology |
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| Volume |
28 |
Issue |
1 |
Pages |
197-220 |
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Since mathematical sociology was firmly established in the 1960s, it has grown tremendously. Today it has an impressive scope and deals with topical problems of social structure and social change. A distinctive feature of today's use of mathematics in sociology is the movement toward a synthesis between process, structure, and action. In combination with an increased attention to social mechanisms and the problems of causality and temporality, this synthesis can add to its relevance for sociology in general. The article presents recent advances and major sociological research streams in contemporary sociology that involve the application of mathematics, logic, and computer modeling. |
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Equine Behaviour @ team @ Edling2002 |
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4292 |
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| Author |
Soproni, K.; Miklósi, Á.; Topál, J.; Csányi, V. |
| Title |
Dogs' (Canis familiaris) responsiveness to human pointing gestures |
Type |
Journal Article |
| Year |
2002 |
Publication |
Journal of Comparative Psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
116 |
Issue |
1 |
Pages |
27-34 |
| Keywords |
Analysis of Variance; Animals; *Behavior, Animal; Choice Behavior; Dogs/*psychology; Female; Gestures; Male; *Recognition (Psychology); Species Specificity |
| Abstract |
In a series of 3 experiments, dogs (Canis familiaris) were presented with variations of the human pointing gesture: gestures with reversed direction of movement, cross-pointing, and different arm extensions. Dogs performed at above chance level if they could see the hand (and index finger) protruding from the human body contour. If these minimum requirements were not accessible, dogs still could rely on the body position of the signaler. The direction of movement of the pointing arm did not influence the performance. In summary, these observations suggest that dogs are able to rely on relatively novel gestural forms of the human communicative pointing gesture and that they are able to comprehend to some extent the referential nature of human pointing. |
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Department of Ethology, Eotvos Lorand University, Budapest, Hungary. krisztinasoproni@hotmail.com |
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0735-7036 |
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PMID:11926681 |
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no |
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Equine Behaviour @ team @ |
Serial |
4962 |
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| Author |
Katherine Faust; John Skvoretz |
| Title |
Comparing Networks Across Space and Time, Size and Species |
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Journal Article |
| Year |
2002 |
Publication |
Sociological Methodology |
Abbreviated Journal |
Socio Meth |
| Volume |
32 |
Issue |
1 |
Pages |
267-299 |
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We describe and illustrate methodology for comparing networks from diverse settings. Our empirical base consists of 42 networks from four kinds of species (humans, nonhuman primates, nonprimate mammals, and birds) and covering distinct types of relations such as influence, grooming, and agonistic encounters. The general problem is to determine whether networks are similarly structured despite their surface differences. The methodology we propose is generally applicable to the characterization and comparison of network2013level social structures across multiple settings, such as different organizations, communities, or social groups, and to the examination of sources of variability in network structure. We first fit a p* model (Wasserman and Pattison 1996) to each network to obtain estimates for effects of six structural properties on the probability of the graph. We then calculate predicted tie probabilities for each network, using both its own parameter estimates and the estimates from every other network in the collection. Comparison is based on the similarity between sets of predicted tie probabilities. We then use correspondence analysis to represent the similarities among all 42 networks and interpret the resulting configuration using information about the species and relations involved. Results show that similarities among the networks are due more to the kind of relation than to the kind of animal. |
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University of California, Irvine, ; University of South Carolina |
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American Sociological Association 2002 |
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Equine Behaviour @ team @ |
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5001 |
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Couzin, I.D.; Krause, J.; James, R.; Ruxton, G.D.; Franks, N.R. |
| Title |
Collective Memory and Spatial Sorting in Animal Groups |
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Journal Article |
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2002 |
Publication |
Journal of Theoretical Biology |
Abbreviated Journal |
J. Theor. Biol. |
| Volume |
218 |
Issue |
1 |
Pages |
1-11 |
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We present a self-organizing model of group formation in three-dimensional space, and use it to investigate the spatial dynamics of animal groups such as fish schools and bird flocks. We reveal the existence of major group-level behavioural transitions related to minor changes in individual-level interactions. Further, we present the first evidence for collective memory in such animal groups (where the previous history of group structure influences the collective behaviour exhibited as individual interactions change) during the transition of a group from one type of collective behaviour to another. The model is then used to show how differences among individuals influence group structure, and how individuals employing simple, local rules of thumb, can accurately change their spatial position within a group (e.g. to move to the centre, the front, or the periphery) in the absence of information on their current position within the group as a whole. These results are considered in the context of the evolution and ecological importance of animal groups. |
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0022-5193 |
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Equine Behaviour @ team @ |
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5310 |
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