Along with the development of methodology and technique progressing in neuroscience, it is now a turning point for neuroscience to move one more step forward with research aims to investigate how brain does for behavior required higher cognitive functions. Choice behavior is not only a complex behavior for single individual but also involved thoroughly for people living in the social environment. Recent work in neuroscience reveals the neural basis of choice or decision-making initially based on the brain dopamine systems, which mediating reward motivation and other required cognitive processes. As the choice behavior highly links to economic activity in our society, it is worth to study the brain mechanisms behind choice or decision making in a current trend now so-called the neuroeconomics. Despite in its infant stage, the study of neuroeconomics is promising to provide a better answer for the brain does matter on choice behavior.
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