Dunbar's number: Group size and brain physiology in humans reexamined

American Anthropologist

Volumn 113, Issue 4, 2011, Pages 557-568

  de Ruiter, Jan ^a   Weston, Gavin ^a   Lyon, Stephen M ^a  

^a DURHAM UNIVERSITY   (United Kingdom)

Author keywords

Dunbar's Number; Group size; Kinship terminologies; Neocortex

Indexed keywords

ADAPTATION; ANIMAL; ANTHROPOLOGY; ART; ARTICLE; BRAIN; EDUCATION; ETHNIC AND RACIAL GROUPS; ETHNOLOGY; FAMILY; FRIEND; HISTORY; HUMAN; LEGAL ASPECT; NEOCORTEX; PHYSIOLOGY; PRIMATE; PSYCHOLOGICAL ASPECT; SOCIAL BEHAVIOR;

ADAPTATION, PHYSIOLOGICAL; ANIMALS; ANTHROPOLOGY; BRAIN; FAMILY; FRIENDS; HISTORY, 19TH CENTURY; HISTORY, 20TH CENTURY; HISTORY, 21ST CENTURY; HUMAN BODY; HUMANS; NEOCORTEX; POPULATION GROUPS; PRIMATES; SOCIAL BEHAVIOR;

EID: 82255192715     PISSN: 00027294     EISSN: 15481433     Source Type: Journal    
DOI: 10.1111/j.1548-1433.2011.01369.x     Document Type: Article

References (86)

1. Anderson, Benedict 2006[1983] Imagined Communities. London: Verso.
2. Aureli, Filippo, and Frans B. M. de Waal 2000 Why Natural Conflict Resolution? In Natural Conflict Resolution. Filippo Aureli and Frans B. M. de Waal, eds. Pp. 3-12. Berkeley: University of California Press.
3. Aveni, Anthony F. 2000 Empires of Time: Calendars, Clocks and Cultures. London: Tauris Parke.
4. Barham, Lawrence 2010 A Technological Fix for "Dunbar's Dilemma"? In Social Brain, Distributed Mind. Robin Dunbar, Clive Gamble, and John Gowlett, eds. Pp. 367-389. Oxford: Oxford University Press for the British Academy.
5. Barnard, Alan 2010 When Individuals Do Not Stop at the Skin. In Social Brain: Distributed Mind. Robin Dunbar, Clive Gamble, and John Gowlett, eds. Pp. 249-267. Oxford: Oxford University Press for The British Academy.
6. Black-Michaud, Jacob 1980 Feuding Societies. Oxford: Basil Blackwell.
7. Bourdieu, Pierre 1986 The Forms of Capital. In Handbook of Theory and Research for the Sociology of Education. John G. Richardson, ed. Pp. 241-258. New York: Greenwood.
8. Burrell, Jennifer, and Gavin Weston 2008 Lynchings and Postwar Complexities in Guatemala. In Global Vigilantes. David Pratten and Atreyee Sen, eds. Pp. 362-383. London: Hurst.
9. Byrne, Richard W., and Nadia Corp 2004 Neocortex Size Predicts Deception Rate in Primates. Proceedings of the Royal Society B 271:1693-1699.
10. Carrithers, Michael 1990 Why Humans Have Cultures. Man 25(2):189-206.
11. Chapais, Bernard 2008 Primeval Kinship: How Pair-Bonding Gave Birth to Human Society. Cambridge, MA: Harvard University Press.
12. Cheney, Dorothy, and Robert Seyfarth 2007 Baboon Metaphysics: The Evolution of a Social Mind. Chicago: Chicago University Press.
13. Clark, Andy 1999 An Embodied Cognitive Science. Trends in Cognitive Science 3(9):345-351.
14. Clark, Andy, and David Chalmers 1998 The Extended Mind. Analysis 58(1):7-19.
15. Cords, Marina, and Filippo Aureli 2000 Reconciliation and Relationship Qualities. In Natural Conflict Resolution. Filippo Aureli and Frans B. M. de Waal, eds. Pp. 177-198. Berkeley: University of California Press.
16. Coward, Fiona, and Clive Gamble 2008 Big Brains, Small Worlds: Material Culture and Human Evolution. Philosophical Transactions of the Royal Society Series B 363(1499):1969-1979.
17. CNN Money 2010 100 Best Companies to Work For., accessed January 4, 2011.
18. de Ruiter, Jan R. 1986 The Influence of Group Size on Predator Scanning and Foraging Behaviour of Wedgecap Capuchin Monkeys (Cebus olivaceus). Behaviour 98(1-4):240-258.
19. de Waal, Frans B. M. 1995 Sex as an Alternative to Aggression in the Bonobo. In Sexual Nature, Sexual Culture. Paul R. Abrahamson and Steven D. Pinkerton, eds. Pp. 37-56. Chicago: University of Chicago Press.
20. Domesday Book 2010[1086] The Domesday Book Online., accessed December 23, 2010.
21. Donald, Merlin 2002 A Mind So Rare: The Evolution of Human Consciousness. New York: W. W. Norton.
22. Dunbar, Robin 1992 Neocortex Size as a Constraint on Group Size in Primates. Journal of Human Evolution 22(6):469-493.
23. Dunbar, Robin 1993 Coevolution of Neocortical Size, Group Size and Language in Humans. Behavioral and Brain Sciences 16(4):681-735.
24. Dunbar, Robin 1996 Grooming, Gossip, and the Evolution of Language. Cambridge, MA: Harvard University Press.
25. Dunbar, Robin 2004 Gossip in Evolutionary Perspective. Review of General Psychology 8(2):100-110.
26. Dunbar, Robin 2010 How Many Friends Does One Person Need?"Dunbar's Number" and Other Evolutionary Quirks. London: Faber and Faber.
27. Dunbar, Robin, and Susanne Shultz 2007 Evolution of the Social Brain. Science 317(5483):1344-1347.
28. Dunbar, Robin, and Susanne Shultz 2010 Bondedness and Sociality. Behaviour 147(7):775-803.
29. Durkheim, Emile 1915 The Elementary Forms of the Religious Life. Josef W. Swain, trans. London: Allen and Unwin.
30. Economist 2009 Primates on Facebook: Even Online, the Neocortex Is the Limit. Economist, February 26., accessed July 18, 2011.
31. Fischer, Michael, Stephen M. Lyon, and David Zeitlyn 2008 The Internet and the Future of Social Science Research. Nigel Fielding, Ray M. Lee, and Grant Blank, eds. Pp. 519-536. London: SAGE.
32. Fischer, Michael D., Dwight Read, and Stephen M. Lyon 2005 Introduction. Special Issue, "Cultural Systems, " Michael D. Fischer, Dwight Read, and Stephen M. Lyon, eds., Cybernetics and Systems: An International Journal 36:719-734.
33. Fraser, Orlaith N., and Filippo Aureli 2008 Reconciliation, Consolation and Post-Conflict Behavioral Specificity in Chimpanzees. American Journal of Primatology 70(12):1-10.
34. Gamble, Clive 1998 Palaeolithic Society and the Release from Proximity: A Network Approach to Intimate Relations. World Archaeology 29(3):426-449.
35. Geary, David 2005 The Origin of Mind: Evolution of Brain, Cognition, and General Intelligence. Washington, DC: American Psychological Association.
36. Gladwell, Malcolm 2000 The Tipping Point: How Little Things Can Make a Big Difference. London: Abacus.
37. Goffman, Erving 1963 Stigma. Englewood Cliffs: Prentice-Hall.
38. Goldschmidt, Walter 2005 The Bridge to Humanity: How Affect Hunger Trumps the Selfish Gene. Oxford: Oxford University Press.
39. Hage, Per 2008 On the Reconstruction of the Proto-Nostratic Kinship System. Zeitschrift für Ethnologie 128:311-325.
40. Hamilton, Marcus J., Bruce Milne, Robert Walker, Oskar Burger, and James Brown 2007 The Complex Structure of Hunter-Gatherer Social Networks. Proceedings of the Royal Society B 274:2195-2202.
41. Haraway, Donna J. 1991 Simians, Cyborgs, and Women: The Reinvention of Nature. New York: Routledge.
42. Henzi, S. Peter, and Louise Barrett 2002 Infants as a Commodity in a Baboon Market. Animal Behavior 63:915-921.
43. Hildenbrandt, Hanno, Cladio Carere, and Charlotte K. Hemelrijk 2010 Self-Organized Aerial Displays of Thousands of Starlings: A Model. Behavioral Ecology 21:1349-1359.
44. Hill, Russell, R. Alex Bentley, and Robin Dunbar 2008 Network Scaling Reveals Consistent Fractal Pattern in Mammalian Societies. Biology Letters 4(4):748-751.
45. Hill, Russell, and Robin Dunbar 2002 Social Network Size in Humans. Human Nature 14(1):53-72.
46. Horst, Heather A., and Daniel Miller 2006 The Cell Phone: An Anthropology of Communication. Oxford: Berg.
47. Jamieson, Mark 1998 Linguistic Innovation and Relationship Terminology in Nicaragua's Pearl Lagoon. Journal of the Royal Anthropological Institute 4(4):713-730.
48. Kawano, Satsuki 2004 Scattering Ashes of the Family Dead: Memorial Activity among the Bereaved in Contemporary Japan. Ethnology 43(3):233-248.
49. Keesing, Roger M. 1970 Shrines, Ancestors, and Cognatic Descent: The Kwaio and Tallensi. American Anthropologist 72(4):755-775.
50. Krotoski, Aleks 2010 Robin Dunbar: We Can Only Ever Have 150 Friends at Most. Observer, March 14: 26.
51. Layton, Robert, and Sean O'Hara 2010 Human Social Evolution: A Comparison of Hunter Gather and Chimpanzee Social Organization. In Social Brain, Distributed Mind. Robin Dunbar, Clive Gamble, and John Gowlett, eds. Pp. 83-113. Oxford: Oxford University Press.
52. Leaf, Murray J. 1972 Information and Behavior in a Sikh Village: Social Organization Reconsidered. Berkeley: University of California Press.
53. Leaf, Murray J. 2005 The Message Is the Medium: Language, Culture, and Informatics. Cybernetics and Systems: An International Journal 36(8):903-917.
54. Lieberman, Mitch 2010 The Company Version of the Dunbar Number. CRM Outsiders, October 18., accessed December 23.
55. Local, The 2007 Swedish Tax Collectors Organized by Apes. The Local: Sweden's News in English, accessed July 18, 2011.
56. Lyon, Stephen M. 2004 An Anthropological Analysis of Local Politics and Patronage in a Pakistani Village. Lampeter, UK: Edwin Mellen.
57. Lyon, Stephen M. 2005 Culture and Information: An Anthropological Examination of Communication in Cultural Domains in Pakistan. Cybernetics and Systems: An International Journal 36:917-929.
58. Malinowski, Bronislaw 1936 The Foundations of Faith and Morals. London: Oxford University Press.
59. Mason, William A., and Sally P. Mendoza 1998 Generic Aspects of Primates Attachments: Parents, Offspring and Mates. Psychoneuroendocrinology 23(8):765-778.
60. Mauss, Marcel 2000 The Gift. New York: W. W. Norton.
61. McCarty, Christopher, Peter Killworth, H. Russell Bernard, Eugene Johnsen, and Gene Shelley 2001 Comparing Two Methods for Estimating Group Size. Human Organization 60(1):28-39.
62. Miller, Daniel 1987 Material Culture and Mass Consumption. Oxford: Basil Blackwell.
63. Milton, Molly 2010 Homo Interneticus. The Virtual Revolution, episode 4. BBC, February 19, 2010.
64. Nettle, Daniel 2009 Beyond Nature versus Culture: Cultural Variation as an Evolved Characteristic. Journal of the Royal Anthropological Institute 15(2):223-240.
65. Odling-Smee, John, Kevin Laland, and Marcus Feldman 2003 Niche Construction: The Neglected Process in Evolution. Princeton: Princeton University Press.
66. Oseland, Nige 2009 The Impact of the Psychological Needs on Office Design. Journal of Corporate Real Estate 11(4):244-254.
67. Otago Daily Times 2009 Is This the World's Happiest Workplace? Otago Daily Times, November 16., December 23, 2010.
68. Pfeifer, R., and J. Bongard 2007 How the Body Shapes the Way We Think: A New View of Intelligence. Cambridge, MA: MIT Press.
69. Puga-Gonzalez, Ivan, Hanno Hildebrandt, and Charlotte K. Hemelrijk 2009 Emergent Patterns of Social Affiliation in Primates: A Model. PLoS Computational Biology 5(12):e100630.
70. Pullum, Geoffrey 1991 The Great Eskimo Vocabulary Hoax and Other Irreverent Essays on the Study of Language. Chicago: University of Chicago Press.
71. Read, Dwight W. 2001 Formal Analysis of Kinship Terminologies and Its Relationship to What Constitutes Kinship. Anthropological Theory 1(2):239-267.
72. Read, Dwight W. 2005 Some Observations on Resilience and Robustness in Human Systems. Cybernetics and Systems: An International Journal 36(8):773-802.
73. Read, Dwight W. 2006 Kinship Algebra Expert System (KAES): A Software Implementation of a Cultural Theory. Social Science Computer Review 24(1):43-67.
74. Read, Dwight W., and C. A. Behrens 1990 KAES: An Expert System for the Algebraic Analysis of Kinship Terminologies. Journal of Quantitative Anthropology 2(4):353-393.
75. Rilling, James K., and Alan G. Sanfey 2011 The Neuroscience of Social Decision-Making. Annual Review of Psychology 62:23-48.
76. Schwandner-Sievers, Stephanie 1999 Humiliation and Reconciliation in Northern Albania. In Dynamics of Violence: Processes in Escalation and De-Escalation of Violent Group Conflicts. Georg Elwert, Stephen Feuchtwang, and Dieter Neubert, eds. Pp. 133-152. Berlin: Duncker and Humblot.
77. Silk, Joan B., Susan C. Alberts, and Jeanne Altmann 2003 Social Bonds of Female Baboons Enhance Female Survival. Science 302(5648):1231-1234.
78. Smith, Duncan 2010 Do Public Relations Agencies Have a Dunbar's Number? In Dunksmithblog, February 13., accessed December 23.
79. Strathern, Marilyn 1991 Partial Connections. Sabage, MD: Rowman and Littlefield.
80. Tehrani, Jamie, and Mark Collard 2002 Investigating Cultural Evolution through Biological Phylogenetic Analyses of Turkmen Textiles. Journal of Anthropological Archaeology 21(4):443-463.
81. Wall Street Journal 2007 Sorry, You May Have Gone over Your Limit of Network Friends., accessed July 18, 2011.
82. Weston, Gavin N.d. The Habitus of Hearsay: Guatemalan Vigilantism and a Reassessment of the Agency of Gossip and Rumor. Unpublished MS, Department of Anthropology, Durham University
83. Fullwiley, Duana 2010 Revaluating Genetic Causation: Biology, Economy, and Kinship in Dakar, Senegal. American Ethnologist 37(4):638-661.
84. Gilberthorpe, Emma 2007 Fasu Solidarity: A Case Study of Kin Networks, Land Tenure, and Oil Extraction in Kutubu, Papua New Guinea. American Anthropologist 109(1):101-112.
85. Kuznar, Lawrence 2007 Rationality Wars and the War on Terror: Explaining Terrorism and Social Unrest. American Anthropologist 109(2):318-329.
86. Rutherford, Julienne 2010 Descent with Modification: Bioanthropological Identities in 2009. American Anthropologist 112(2):191-199.