Genes and Social Networks: links Genes to Friendship Networks

James Fowler, a professor at UC-San Diego, is engaged in highly innovative and important research at the crossroads of political science and biology.  His recent paper in the Proceedings of the National Academy of Sciences, “Correlated Genotypes in Friendship Networks”, represents an important new study in an emerging research field that is exploring the genetic and biological foundations for our political and social behavior.

In this paper, James and his colleagues Jaime Settle and Nicholas Christakis demonstrate that there is what they call “genotypic clustering in social networks”, by statistically examining the association between markers for six different genes and the reported friendship networks from respondents in data from the National Longitudinal Study of Adolescent Health and the Framingham Heart Study Social Network.  They show that one of these genes (DRD2) is positively associated with in friendship networks, meaning that those who have this gene are more likely to be friends with others who have this gene, controlling for demographic similarities and population stratification; another gene, CYP2A6 has a negative association in friendship networks.

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Read also: Correlated genotypes in friendship networks

About Giorgio Bertini

Director at Learning Change Project - Research on society, culture, art, neuroscience, cognition, critical thinking, intelligence, creativity, autopoiesis, self-organization, rhizomes, complexity, systems, networks, leadership, sustainability, thinkers, futures ++
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