Evolutionary psychologist Robin Dunbar, who specializes in studying primate brains, once determined that the amount of human individuals in a functional social group cannot exceed 150. This limit, he argued, is a direct function of relative...
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Evolutionary psychologist Robin Dunbar, who specializes in studying primate brains, once determined that the amount of human individuals in a functional social group cannot exceed 150. This limit, he argued, is a direct function of relative neocortex size. In other words, we don't have the physical capacity to maintain a meaningful connection with a larger number of people because there is a shortage of drawers in our brain, where we can store all the necessary gossip. I wonder if this rule applies to political alliances. Is there an optimal amount of countries, after which an organization becomes dysfunctional?