What is it about?
Well-coordinated pair bond relationships occur in many species, humans included. We used a simulation model to show that animals whose decisions are guided by their emotions can evolve cooperative pair bonds that are resilient to mistakes and miscommunication. Deceit, however, can eradicate cooperation, and emotions can make this even worse. We show that one defense against deceit is the evolution of a courtship process where animals can develop relationships without paying their full costs.
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Why is it important?
Our model results show that emotions and courtship work synergistically to allow resilient cooperation within bonded pairs, linking evidence for neuroendocrine-behavioral feedbacks underlying pair bonding to the evolutionary benefits of intrapair cooperation. This contrasts with previous models of pair bonding based in sexual conflict or iterative negotiation, where cooperation was non-existent or required restrictive conditions.
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This page is a summary of: Emotions and courtship help bonded pairs cooperate, but emotional agents are vulnerable to deceit, Proceedings of the National Academy of Sciences, November 2023, Proceedings of the National Academy of Sciences,
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