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Nature 447, 1061-1062 (28 June 2007) | doi:10.1038/4471061a; Published online 27 June 2007

Neurobiology: The currency of guessing

Paul Cisek1

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Vanilla or chocolate? Fight or flight? A career in academia or in industry? The neural processes of probabilistic decision-making provide clues about the 'common currency' through which decisions are made.

Our lives are filled with decisions, ranging from selecting a dessert to choosing a career. In many such situations, we make the decision by weighing the pros and cons for each of the options and selecting the one whose potential benefits most outweigh its costs.

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