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  Social networks in primates: smart and tolerant species have more efficient networks

Pasquaretta, C., Leve, M., Claidiere, N., van de Waal, E., Whiten, A., MacIntosh, A. J. J., et al. (2014). Social networks in primates: smart and tolerant species have more efficient networks. Scientific Reports, 4. doi:10.1038/srep07600.

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Pasquaretta, C., Author
Leve, M., Author
Claidiere, N., Author
van de Waal, E., Author
Whiten, A., Author
MacIntosh, A. J. J., Author
Pele, M., Author
Bergstrom, M. L., Author
Borgeaud, C., Author
Brosnan, S. F., Author
Crofoot, Margaret C.1, Author           
Fedigan, L. M., Author
Fichtel, C., Author           
Hopper, L. M., Author
Mareno, M. C., Author
Petit, O., Author
Schnoell, A. V., Author
di Sorrentino, E. P., Author
Thierry, B., Author
Tiddi, B., Author
Sueur, C., Author more..
Affiliations:
1UC Davis, ou_persistent22, ou_persistent22              

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 Abstract: Network optimality has been described in genes, proteins and human communicative networks. In the latter, optimality leads to the efficient transmission of information with a minimum number of connections. Whilst studies show that differences in centrality exist in animal networks with central individuals having higher fitness, network efficiency has never been studied in animal groups. Here we studied 78 groups of primates (24 species). We found that group size and neocortex ratio were correlated with network efficiency. Centralisation (whether several individuals are central in the group) and modularity (how a group is clustered) had opposing effects on network efficiency, showing that tolerant species have more efficient networks. Such network properties affecting individual fitness could be shaped by natural selection. Our results are in accordance with the social brain and cultural intelligence hypotheses, which suggest that the importance of network efficiency and information flow through social learning relates to cognitive abilities.

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 Dates: 2014
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: WOS:000346725600002
DOI: 10.1038/srep07600
ISSN: 2045-2322
 Degree: -

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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 4 Sequence Number: - Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322