Laughter serves a specific evolutionary and social function
Current evolutionary and psychological literature supports the view that laughter serves distinct adaptive social functions, particularly in human bonding and the reinforcement of social norms.
Both retrieved papers [0] and [1] present theoretical and empirical arguments detailing the specific evolutionary mechanisms and adaptive social functions of laughter. No papers refute the claim, and paper [2] is too tangential as it focuses broadly on primate social cognition without discussing laughter.
R. I. M. Dunbar. Laughter and its role in the evolution of human social bonding. 2022. https://doi.org/10.1098/rstb.2021.0176
Paper 0 argues that laughter was co-opted by hominins as a form of chorusing to replace social grooming, thereby serving an evolutionary function in social bonding.
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Joseph Polimeni. Jokes optimise social norms, laughter synchronises social attitudes: an evolutionary hypothesis on the origins of humour. 2015. https://doi.org/10.7592/ejhr2016.4.2.polimeni
Paper 1 proposes that humour and laughter possess an evolutionarily adaptive function by appraising social norms and synchronizing social attitudes.
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