Wolpert, S., Brain reacts to fairness as it does to money and chocolate, study shows. UCLA Newsroom, 2008.
354
Tabibnia, G. and M. D. Lieberman, Fairness and cooperation are rewarding. Annals of the New York Academy of Sciences, 2007. 1118 (1): p. 90–101.
355
Denke, C., et al., Belief in a just world is associated with activity in insula and somatosensory cortices as a response to the perception of norm violations. Soc Neurosci, 2014. 9 (5): p. 514–21.