Abstract
New behavioural and neuroscientific evidence on the development of fairness behaviours demonstrates that the signatures of human fairness can be traced into childhood. Children make sacrifices for fairness (1) when they have less than others, (2) when others have been unfair and (3) when they have more than others. The latter two responses mark a critical departure from what is observed in other species because they enable fairness to be upheld even when doing so goes against self-interest. This new work can be fruitfully combined with insights from cognitive neuroscience to understand the mechanisms of developmental change.
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Acknowledgements
The authors would like to thank J. Greene, B. Güroğlu, D. Knoch, L. Somerville, and L. Young for their feedback on this review. N.S. is supported by an Early Career Research Fellowship from the Jacobs Foundation. F.W. is supported by an NSF CAREER grant.
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McAuliffe, K., Blake, P., Steinbeis, N. et al. The developmental foundations of human fairness. Nat Hum Behav 1, 0042 (2017). https://doi.org/10.1038/s41562-016-0042
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DOI: https://doi.org/10.1038/s41562-016-0042
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