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Author |
Packer, C; Heinsohn, R. |
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Title |
Response:Lioness leadership |
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Journal Article |
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Year |
1996 |
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Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
271 |
Issue |
5253 |
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1215-1216 |
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Keywords |
Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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0036-8075 |
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Equine Behaviour @ team @ Jahn1996 |
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2072 |
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Author |
Gary C. Jahn; Craig Packer,Robert Heinsohn |
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Title |
Lioness leadership |
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Journal Article |
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Year |
1996 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
271 |
Issue |
5253 |
Pages |
1216-1219 |
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Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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0036-8075 |
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Equine Behaviour @ team @ Jahn1996 |
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2073 |
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Author |
Zentall TR; Levine JM |
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Title |
Observational learning and social facilitation in the rat |
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Journal Article |
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Year |
1972 |
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Science |
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Science |
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178 |
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1220 |
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Equine Behaviour @ team @ |
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3053 |
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Author |
Silk, J.B.; Alberts, S.C.; Altmann, J. |
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Title |
Social Bonds of Female Baboons Enhance Infant Survival |
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Journal Article |
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Year |
2003 |
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Science |
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Science |
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302 |
Issue |
5648 |
Pages |
1231-1234 |
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Abstract |
Among nonhuman primates, females often form strong bonds with kin and other group members. These relationships are thought to have adaptive value for females, but direct effects of sociality on fitness have never been demonstrated. We present 16 years of behavioral data from a well-studied population of wild baboons, which demonstrate that sociality of adult females is positively associated with infant survival, an important component of variation in female lifetime fitness. The effects of sociality on infant survival are independent of the effects of dominance rank, group membership, and environmental conditions. Our results are consistent with the evidence that social support has beneficial effects on human health and well-being across the life span. For humans and other primates, sociality has adaptive value. |
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10.1126/science.1088580 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5151 |
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Author |
Bergman, T.J.; Beehner, J.C.; Cheney, D.L.; Seyfarth, R.M. |
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Title |
Hierarchical classification by rank and kinship in baboons |
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Journal Article |
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Year |
2003 |
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Science (New York, N.Y.) |
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Science |
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302 |
Issue |
5648 |
Pages |
1234-1236 |
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Keywords |
Animals; Animals, Wild; Botswana; *Cognition; Family; Female; *Hierarchy, Social; Language; *Papio/psychology; Social Dominance; Vocalization, Animal |
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Humans routinely classify others according to both their individual attributes, such as social status or wealth, and membership in higher order groups, such as families or castes. They also recognize that people's individual attributes may be influenced and regulated by their group affiliations. It is not known whether such rule-governed, hierarchical classifications are specific to humans or might also occur in nonlinguistic species. Here we show that baboons recognize that a dominance hierarchy can be subdivided into family groups. In playback experiments, baboons respond more strongly to call sequences mimicking dominance rank reversals between families than within families, indicating that they classify others simultaneously according to both individual rank and kinship. The selective pressures imposed by complex societies may therefore have favored cognitive skills that constitute an evolutionary precursor to some components of human cognition. |
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Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA. thore@sas.upenn.edu |
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English |
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1095-9203 |
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PMID:14615544 |
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refbase @ user @ |
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689 |
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Author |
Pennisi, E. |
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Title |
PSYCHOLOGY: Nonhuman Primates Demonstrate Humanlike Reasoning |
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Journal Article |
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Year |
2007 |
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Science |
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Science |
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Volume |
317 |
Issue |
5843 |
Pages |
1308- |
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Equine Behaviour @ team @ |
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4240 |
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Author |
Jolly, A. |
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Title |
BEHAVIOR: The Social Origin of Mind |
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2007 |
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Science |
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Science |
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317 |
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5843 |
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1326-1327 |
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Equine Behaviour @ team @ |
Serial |
4247 |
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Author |
Ash, C.; Chin, G.; Pennisi, E.; Sugden, A. |
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Title |
Living in Societies |
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Year |
2007 |
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Science |
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Science |
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317 |
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5843 |
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1337- |
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Equine Behaviour @ team @ |
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4246 |
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Author |
Dunbar, R.I.M.; Shultz, S. |
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Title |
Evolution in the Social Brain |
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Journal Article |
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Year |
2007 |
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Science |
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Science |
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Volume |
317 |
Issue |
5843 |
Pages |
1344-1347 |
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Abstract |
The evolution of unusually large brains in some groups of animals, notably primates, has long been a puzzle. Although early explanations tended to emphasize the brain's role in sensory or technical competence (foraging skills, innovations, and way-finding), the balance of evidence now clearly favors the suggestion that it was the computational demands of living in large, complex societies that selected for large brains. However, recent analyses suggest that it may have been the particular demands of the more intense forms of pairbonding that was the critical factor that triggered this evolutionary development. This may explain why primate sociality seems to be so different from that found in most other birds and mammals: Primate sociality is based on bonded relationships of a kind that are found only in pairbonds in other taxa. |
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Equine Behaviour @ team @ |
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4243 |
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Author |
Silk, J.B. |
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Title |
Social Components of Fitness in Primate Groups |
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2007 |
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Science |
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Science |
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317 |
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5843 |
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1347-1351 |
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There is much interest in the evolutionary forces that favored the evolution of large brains in the primate order. The social brain hypothesis posits that selection has favored larger brains and more complex cognitive capacities as a means to cope with the challenges of social life. The hypothesis is supported by evidence that shows that group size is linked to various measures of brain size. But it has not been clear how cognitive complexity confers fitness advantages on individuals. Research in the field and laboratory shows that sophisticated social cognition underlies social behavior in primate groups. Moreover, a growing body of evidence suggests that the quality of social relationships has measurable fitness consequences for individuals. |
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10.1126/science.1140734 |
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Equine Behaviour @ team @ |
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4239 |
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