Records |
Author |
Johnson, D.D.P.; Stopka, P.; Knights, S. |
Title |
Sociology: The puzzle of human cooperation |
Type |
Journal Article |
Year |
2003 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Nature |
Abbreviated Journal |
Nature |
Volume |
421 |
Issue |
6926 |
Pages |
911-2; discussion 912 |
Keywords |
Altruism; *Cooperative Behavior; Evolution; Humans; *Models, Biological; Punishment; Reward; Risk |
Abstract |
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Address |
Olin Institute for Strategic Studies, Harvard University, Cambridge, Massachusetts 02138, USA. dominic@post.harvard.edu |
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English |
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ISSN |
0028-0836 |
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Notes |
PMID:12606989 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
467 |
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Author |
de Waal, F.B.M.; Davis, J.M. |
Title |
Capuchin cognitive ecology: cooperation based on projected returns |
Type |
Journal Article |
Year |
2003 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Neuropsychologia |
Abbreviated Journal |
Neuropsychologia |
Volume |
41 |
Issue |
2 |
Pages |
221-228 |
Keywords |
Animals; Attention; Cebus/*psychology; *Cooperative Behavior; Decision Making; Dominance-Subordination; Female; Male; *Motivation; Reaction Time; Reinforcement Schedule; *Social Behavior |
Abstract |
Stable cooperation requires that each party's pay-offs exceed those available through individual action. The present experimental study on brown capuchin monkeys (Cebus apella) investigated if decisions about cooperation are (a) guided by the amount of competition expected to follow the cooperation, and (b) made instantaneously or only after a period of familiarization. Pairs of adult monkeys were presented with a mutualistic cooperative task with variable opportunities for resource monopolization (clumped versus dispersed rewards), and partner relationships (kin versus nonkin). After pre-training, each pair of monkeys (N=11) was subjected to six tests, consisting of 15 2 min trials each, with rewards available to both parties. Clumped reward distribution had an immediate negative effect on cooperation: this effect was visible right from the start, and remained visible even if clumped trials alternated with dispersed trials. The drop in cooperation was far more dramatic for nonkin than kin, which was explained by the tendency of dominant nonkin to claim more than half of the rewards under the clumped condition. The immediacy of responses suggests a decision-making process based on predicted outcome of cooperation. Decisions about cooperation thus take into account both the opportunity for and the likelihood of subsequent competition over the spoils. |
Address |
Living Links, Yerkes Primate Center, Emory University, 954 N. Gatewood Road, Atlanta, GA 30322, USA. dewaal@emory.edu |
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English |
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Edition |
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ISSN |
0028-3932 |
ISBN |
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Notes |
PMID:12459220 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
182 |
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Author |
Clutton-Brock, T.H.; Russell, A.F.; Sharpe, L.L.; Brotherton, P.N.; McIlrath, G.M.; White, S.; Cameron, E.Z. |
Title |
Effects of helpers on juvenile development and survival in meerkats |
Type |
Journal Article |
Year |
2001 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
293 |
Issue |
5539 |
Pages |
2446-2449 |
Keywords |
Animals; Breeding; Carnivora/growth & development/*physiology; *Cooperative Behavior; Feeding Behavior; Female; Male; Survival Rate; *Weight Gain |
Abstract |
Although breeding success is known to increase with group size in several cooperative mammals, the mechanisms underlying these relationships are uncertain. We show that in wild groups of cooperative meerkats, Suricata suricatta, reductions in the ratio of helpers to pups depress the daily weight gain and growth of pups and the daily weight gain of helpers. Increases in the daily weight gain of pups are associated with heavier weights at independence and at 1 year of age, as well as with improved foraging success as juveniles and higher survival rates through the first year of life. These results suggest that the effects of helpers on the fitness of pups extend beyond weaning and that helpers may gain direct as well as indirect benefits by feeding pups. |
Address |
Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. thcb@hermes.cam.ac.uk |
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ISSN |
0036-8075 |
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Conference |
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Notes |
PMID:11577235 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
414 |
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Author |
Packer, C; Heinsohn, R. |
Title |
Response:Lioness leadership |
Type |
Journal Article |
Year |
1996 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
271 |
Issue |
5253 |
Pages |
1215-1216 |
Keywords |
Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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0036-8075 |
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no |
Call Number |
Equine Behaviour @ team @ Jahn1996 |
Serial |
2072 |
Permanent link to this record |
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Author |
Gary C. Jahn; Craig Packer,Robert Heinsohn |
Title |
Lioness leadership |
Type |
Journal Article |
Year |
1996 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
271 |
Issue |
5253 |
Pages |
1216-1219 |
Keywords |
Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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ISSN |
0036-8075 |
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no |
Call Number |
Equine Behaviour @ team @ Jahn1996 |
Serial |
2073 |
Permanent link to this record |
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Author |
Cohen, J. |
Title |
Animal behavior. The world through a chimp's eyes |
Type |
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Year |
2007 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
316 |
Issue |
5821 |
Pages |
44-45 |
Keywords |
Animal Communication; Animals; *Behavior, Animal; Cognition; Cooperative Behavior; Culture; Memory; Pan troglodytes/*psychology; Social Behavior; Tool Use Behavior |
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Edition |
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ISSN |
1095-9203 |
ISBN |
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Notes |
PMID:17412932 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2832 |
Permanent link to this record |
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Author |
Pennisi, E. |
Title |
Animal cognition. Man's best friend(s) reveal the possible roots of social intelligence |
Type |
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Year |
2006 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
312 |
Issue |
5781 |
Pages |
1737 |
Keywords |
Animals; *Cognition; Comprehension; Cooperative Behavior; Cues; Dogs/*psychology; *Evolution; *Intelligence; *Social Behavior |
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ISSN |
1095-9203 |
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Conference |
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Notes |
PMID:16794056 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2835 |
Permanent link to this record |
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Author |
de Waal, F.B.M. |
Title |
How animals do business |
Type |
Journal Article |
Year |
2005 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
Scientific American |
Abbreviated Journal |
Sci Am |
Volume |
292 |
Issue |
4 |
Pages |
54-61 |
Keywords |
Animals; Attitude; *Behavior, Animal; Cebus; Cooperative Behavior; *Economics; Emotions; Fishes; Food; Humans; Pan troglodytes; Papio; Social Behavior |
Abstract |
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Address |
Emory University, USA |
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Place of Publication |
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English |
Summary Language |
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Original Title |
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Series Editor |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
0036-8733 |
ISBN |
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Notes |
PMID:15915815 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
166 |
Permanent link to this record |
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Author |
Dubois, F.; Giraldeau, L.-A.; Hamilton, I.M.; Grant, J.W.A.; Lefebvre, L. |
Title |
Distraction sneakers decrease the expected level of aggression within groups: a game-theoretic model |
Type |
Journal Article |
Year |
2004 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
The American Naturalist |
Abbreviated Journal |
Am Nat |
Volume |
164 |
Issue |
2 |
Pages |
E32-45 |
Keywords |
*Aggression; Animals; Behavior, Animal/*physiology; Columbidae/*physiology; Competitive Behavior; Cooperative Behavior; *Game Theory; Hawks/*physiology; Models, Biological |
Abstract |
Hawk-dove games have been extensively used to predict the conditions under which group-living animals should defend their resources against potential usurpers. Typically, game-theoretic models on aggression consider that resource defense may entail energetic and injury costs. However, intruders may also take advantage of owners who are busy fighting to sneak access to unguarded resources, imposing thereby an additional cost on the use of the escalated hawk strategy. In this article we modify the two-strategy hawk-dove game into a three-strategy hawk-dove-sneaker game that incorporates a distraction-sneaking tactic, allowing us to explore its consequences on the expected level of aggression within groups. Our model predicts a lower proportion of hawks and hence lower frequencies of aggressive interactions within groups than do previous two-strategy hawk-dove games. The extent to which distraction sneakers decrease the frequency of aggression within groups, however, depends on whether they search only for opportunities to join resources uncovered by other group members or for both unchallenged resources and opportunities to usurp. |
Address |
Departement des Sciences Biologiques, Universite du Quebec a Montreal, Case postale 8888 Succursale Centre-Ville, Montreal, Quebec H3C 3P8, Canada. frede_dubois@yahoo.fr |
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English |
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Edition |
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ISSN |
1537-5323 |
ISBN |
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Notes |
PMID:15278850 |
Approved |
no |
Call Number |
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Serial |
2130 |
Permanent link to this record |
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Author |
Crowell-Davis, S.L.; Houpt, K.A. |
Title |
Techniques for taking a behavioral history |
Type |
Journal Article |
Year |
1986 |
Publication ![sorted by Publication field, ascending order (up)](img/sort_asc.gif) |
The Veterinary clinics of North America. Equine practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
Volume |
2 |
Issue |
3 |
Pages |
507-518 |
Keywords |
Animals; *Behavior, Animal; Cooperative Behavior; *Horses; Maternal Behavior |
Abstract |
A thorough behavioral history is essential for adequate assessment of a given case. In reviewing the chief complaint, a description of what actually happened, rather than the owner's interpretation of what happened, is required. Other behavior problems, environment, rearing history, and training need to be reviewed. Sample question sets for some common problems are given. |
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Place of Publication |
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English |
Summary Language |
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Series Editor |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0749-0739 |
ISBN |
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Notes |
PMID:3492242 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
50 |
Permanent link to this record |