ArticlePloS one2013
Altruism can proliferate through population viscosity despite high random gene flow.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Human large-scale cooperation as a product of competition between cultural groups.Nature communications · 2020Article
- The evolution of extreme cooperation via shared dysphoric experiences.Scientific reports · 2017Article
- A simple rule for the evolution of contingent cooperation in large groups.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2016Article
- Collective action and the collaborative brain.Journal of the Royal Society, Interface · 2015Article
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3 authors.
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Abstract
The ways in which natural selection can allow the proliferation of cooperative behavior have long been seen as a central problem in evolutionary biology. Most of the literature has focused on interactions between pairs of individuals and on linear public goods games. This emphasis has led to the conclusion that even modest levels of migration would pose a serious problem to the spread of altruism through population viscosity in group structured populations. Here we challenge this conclusion, by analyzing evolution in a framework which allows for complex group interactions and random migration among groups. We conclude that contingent forms of strong altruism that benefits equally all group members, regardless of kinship and without greenbeard effects, can spread when rare under realistic group sizes and levels of migration, due to the assortment of genes resulting only from population viscosity. Our analysis combines group-centric and gene-centric perspectives, allows for arbitrary strength of selection, and leads to extensions of Hamilton's rule for the spread of altruistic alleles, applicable under broad conditions.
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