Title

Evolutionary robotics simulations help explain why reciprocity is rare in nature.use asterix (*) to get italics

Authors

André J-B, Nolfi SPlease use the format "First name initials family name" as in "Marie S. Curie, Niels H. D. Bohr, Albert Einstein, John R. R. Tolkien, Donna T. Strickland"

Year

2016

Picture

Abstract

The relative rarity of reciprocity in nature, contrary to theoretical predictions that it should be widespread, is currently one of the major puzzles in social evolution theory. Here we use evolutionary robotics to solve this puzzle. We show that models based on game theory are misleading because they neglect the mechanics of behavior. In a series of experiments with simulated robots controlled by artificial neural networks, we find that reciprocity does not evolve, and show that this results from a general constraint that likely also prevents it from evolving in the wild. Reciprocity can evolve if it requires very few mutations, as is usually assumed in evolutionary game theoretic models, but not if, more realistically, it requires the accumulation of many adaptive mutations.

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Thematic fields

Behavior & Social Evolution, Evolutionary Theory

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Submission date

2016-12-16 18:08:31

Recommender

Michael D Greenfield

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