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Author |
Ohtsuki, H.; Iwasa, Y.; Nowak, M.A. |
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Title |
Indirect reciprocity provides only a narrow margin of efficiency for costly punishment |
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Journal Article |
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Year |
2009 |
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Nature |
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Volume |
457 |
Issue |
7225 |
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79-82 |
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Abstract |
Indirect reciprocity1, 2, 3, 4, 5 is a key mechanism for the evolution of human cooperation. Our behaviour towards other people depends not only on what they have done to us but also on what they have done to others. Indirect reciprocity works through reputation5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17. The standard model of indirect reciprocity offers a binary choice: people can either cooperate or defect. Cooperation implies a cost for the donor and a benefit for the recipient. Defection has no cost and yields no benefit. Currently there is considerable interest in studying the effect of costly (or altruistic) punishment on human behaviour18, 19, 20, 21, 22, 23, 24, 25. Punishment implies a cost for the punished person. Costly punishment means that the punisher also pays a cost. It has been suggested that costly punishment between individuals can promote cooperation. Here we study the role of costly punishment in an explicit model of indirect reciprocity. We analyse all social norms, which depend on the action of the donor and the reputation of the recipient. We allow errors in assigning reputation and study gossip as a mechanism for establishing coherence. We characterize all strategies that allow the evolutionary stability of cooperation. Some of those strategies use costly punishment; others do not. We find that punishment strategies typically reduce the average payoff of the population. Consequently, there is only a small parameter region where costly punishment leads to an efficient equilibrium. In most cases the population does better by not using costly punishment. The efficient strategy for indirect reciprocity is to withhold help for defectors rather than punishing them. |
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Macmillan Publishers Limited. All rights reserved |
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0028-0836 |
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10.1038/nature07601 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4705 |
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Author |
Amdam, G.V.; Csondes, A.; Fondrk, M.K.; Page, R.E.J. |
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Title |
Complex social behaviour derived from maternal reproductive traits |
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Journal Article |
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Year |
2006 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
439 |
Issue |
7072 |
Pages |
76-78 |
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Keywords |
Aging/physiology; Animals; Bees/*physiology; *Evolution; Feeding Behavior/*physiology; Female; Infertility, Female; Maternal Behavior/*physiology; Ovary/physiology; Pollen/metabolism; Reproduction/*physiology; *Social Behavior |
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Abstract |
A fundamental goal of sociobiology is to explain how complex social behaviour evolves, especially in social insects, the exemplars of social living. Although still the subject of much controversy, recent theoretical explanations have focused on the evolutionary origins of worker behaviour (assistance from daughters that remain in the nest and help their mother to reproduce) through expression of maternal care behaviour towards siblings. A key prediction of this evolutionary model is that traits involved in maternal care have been co-opted through heterochronous expression of maternal genes to result in sib-care, the hallmark of highly evolved social life in insects. A coupling of maternal behaviour to reproductive status evolved in solitary insects, and was a ready substrate for the evolution of worker-containing societies. Here we show that division of foraging labour among worker honey bees (Apis mellifera) is linked to the reproductive status of facultatively sterile females. We thereby identify the evolutionary origin of a widely expressed social-insect behavioural syndrome, and provide a direct demonstration of how variation in maternal reproductive traits gives rise to complex social behaviour in non-reproductive helpers. |
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Arizona State University, School of Life Sciences, Tempe, Arizona 85287, USA. Gro.Amdam@asu.edu |
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1476-4687 |
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PMID:16397498 |
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Call Number |
refbase @ user @ |
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531 |
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Author |
Berger, J. |
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Title |
Induced abortion and social factors in wild horses |
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Journal Article |
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Year |
1983 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
303 |
Issue |
5912 |
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59-61 |
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Keywords |
Abortion, Induced/*veterinary; Abortion, Veterinary/*etiology; Aggression/physiology; Animals; Evolution; Female; Horses/*physiology; Humans; Pregnancy; Sexual Behavior, Animal/*physiology |
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Abstract |
Much evidence now suggests that the postnatal killing of young in primates and carnivores, and induced abortions in some rodents, are evolved traits exerting strong selective pressures on adult male and female behaviour. Among ungulates it is perplexing that either no species have developed convergent tactics or that these behaviours are not reported, especially as ungulates have social systems similar to those of members of the above groups. Only in captive horses (Equus caballus) has infant killing been reported. It has been estimated that 40,000 wild horses live in remote areas of the Great Basin Desert of North America (US Department of Interior (Bureau of Land Management), unpublished report), where they occur in harems (females and young) defended by males. Here I present evidence that, rather than killing infants directly, invading males induce abortions in females unprotected by their resident stallions and these females are then inseminated by the new males. |
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0028-0836 |
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PMID:6682487 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4365 |
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Author |
Matsuzawa, T. |
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Title |
Use of numbers by a chimpanzee |
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Journal Article |
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Year |
1985 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
315 |
Issue |
6014 |
Pages |
57-59 |
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Keywords |
Animals; Behavior, Animal/physiology; Cognition; Female; Mathematics; Pan troglodytes/*physiology |
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Recent studies have examined linguistic abilities in apes. However, although human mathematical abilities seem to be derived from the same foundation as those in language, we have little evidence for mathematical abilities in apes (but for exceptions see refs 7-10). In the present study, a 5-yr-old female chimpanzee (Pan troglodytes), 'Ai', was trained to use Arabic numerals to name the number of items in a display. Ai mastered numerical naming from one to six and was able to name the number, colour and object of 300 types of samples. Although no particular sequence of describing samples was required, the chimpanzee favoured two sequences (colour/object/number and object/colour/number). The present study demonstrates that the chimpanzee was able to describe the three attributes of the sample items and spontaneously organized the 'word order'. |
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0028-0836 |
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Notes |
PMID:3990808 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2793 |
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Author |
de Waal, F.B.M. |
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Title |
A century of getting to know the chimpanzee |
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Journal Article |
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Year |
2005 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
437 |
Issue |
7055 |
Pages |
56-59 |
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Keywords |
Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior; Cooperative Behavior; Female; Humans; Male; Pan troglodytes/genetics/*physiology/psychology; Sexual Behavior, Animal; *Social Behavior |
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A century of research on chimpanzees, both in their natural habitat and in captivity, has brought these apes socially, emotionally and mentally much closer to us. Parallels and homologues between chimpanzee and human behaviour range from tool-technology and cultural learning to power politics and intercommunity warfare. Few behavioural domains have remained untouched by this increased knowledge, which has dramatically challenged the way we view ourselves. The sequencing of the chimpanzee genome will no doubt bring more surprises and insights. Humans do occupy a special place among the primates, but this place increasingly has to be defined against a backdrop of substantial similarity. |
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Living Links, Yerkes National Primate Research Center, Emory University, 954 North Gatewood Road, Atlanta, Georgia 30322, USA. dewaal@emory.edu |
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1476-4687 |
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PMID:16136128 |
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refbase @ user @ |
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162 |
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Author |
Whiten, A. |
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Title |
The second inheritance system of chimpanzees and humans |
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Journal Article |
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Year |
2005 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
437 |
Issue |
7055 |
Pages |
52-55 |
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Keywords |
Animals; Animals, Wild/physiology/psychology; Behavior, Animal/*physiology; *Culture; Female; Humans; Imitative Behavior; Learning/*physiology; Pan troglodytes/*physiology/psychology; *Social Behavior; Technology |
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Half a century of dedicated field research has brought us from ignorance of our closest relatives to the discovery that chimpanzee communities resemble human cultures in possessing suites of local traditions that uniquely identify them. The collaborative effort required to establish this picture parallels the one set up to sequence the chimpanzee genome, and has revealed a complex social inheritance system that complements the genetic picture we are now developing. |
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Centre for Social Learning and Cognitive Evolution, and Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, Fife KY16 9JP, UK. a.whiten@st-and.ac.uk |
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1476-4687 |
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PMID:16136127 |
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refbase @ user @ |
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730 |
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Author |
Clutton-Brock, T. |
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Title |
Cooperation between non-kin in animal societies |
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Journal Article |
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2009 |
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Nature |
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Volume |
462 |
Issue |
7269 |
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51-57 |
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Explanations of cooperation between non-kin in animal societies often suggest that individuals exchange resources or services and that cooperation is maintained by reciprocity. But do cooperative interactions between unrelated individuals in non-human animals really resemble exchanges or are they a consequence of simpler mechanisms? Firm evidence of reciprocity in animal societies is rare and many examples of cooperation between non-kin probably represent cases of intra-specific mutualism or manipulation. |
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Macmillan Publishers Limited. All rights reserved |
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0028-0836 |
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10.1038/nature08366 |
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Equine Behaviour @ team @ |
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5270 |
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Author |
Eisenmann V, |
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Title |
Le cheval: Passé, présent et avenir. |
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1982 |
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Bull Inf Mus Nat Hist Naturelle |
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30 |
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29-34 |
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from Professor Hans Klingels Equine Reference List |
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1052 |
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Author |
McGonigle, B. |
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Title |
Can apes learn to count? |
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1985 |
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Nature |
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Nature |
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315 |
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6014 |
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16-17 |
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Animals; Behavior, Animal/physiology; Cognition; Pan troglodytes/*physiology |
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0028-0836 |
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PMID:3990806 |
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Equine Behaviour @ team @ |
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2794 |
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Author |
Maynard Smith, J.; Price, G.R. |
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Title |
The Logic of Animal Conflict |
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1973 |
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Nature |
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Nature |
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246 |
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15-18 |
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10.1038/246015a0 |
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Equine Behaviour @ team @ |
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4844 |
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