Money Talks: Neural Substrate of Modulation of Fairness by Monetary Incentives

A unique feature of human beings is their compliance with social norms,even though this normative decision often means curbing self-interest.However,money talks sometimes.In other words,once in a while people prefer to pursue wealth at the cost of moral goodness.How human beings make a normative decision when facing a large monetary temptation within a social interaction context is an interesting question.Using the ultimatum game(UG)previous behavioral studies showed deviations from the fairness-related normative decision as a result of high monetary incentives.At high stakes,responders tend to reduce the threshold below which they reject proposals.However,the neural