The primary goal of this project is to develop a brain imaging probe task (using functional MRI) to identify neural correlates of eating restraint, and motivation to eat. To this end, we will use methods developed in neuroeconomics that capitalize on moment-by-moment changes in willingness to trade-off between nearly immediate foods, and long delayed money. Twelve obese and twelve lean individuals will participate in the study, each after a 12-h fast.

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