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Science 9 December 2005:
Vol. 310. no. 5754, pp. 1624 - 1625
DOI: 10.1126/science.1122179
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Perspectives

NEUROSCIENCE:
Emotion and Reason in Making Decisions

Aldo Rustichini

Recent research in economic theory has provided a model of ambiguity aversion that predicts and explains why people have a more conservative behavior when they perceive their assessment of risk as imprecise. In his Perspective, Rustichini discusses the study of Hsu et al. that explores the boundary of neuroscience and economics. The study confirms the main idea of the model that the brain treats risky and ambiguous choices differently.

The author is in the Department of Economics, University of Minnesota, Minneapolis, MN 55455, USA. E-mail: arust{at}econ.umn.edu

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