Obese women struggle to learn food associations

In lab experiment, they fail to connect color signal with tasty reward

By Laura Sanders, 13:01 PM July 17, 2014

Obese women have a blind spot, but only when food is in the picture. In laboratory tests, obese women had trouble learning an association between a colored screen and a reward of M&M’s or pretzels, scientists report July 17 in Current Biology.

This deficit occurred only for obese women, and not obese men or people who were not overweight. It was also specific to food: The women easily made the connection when the reward was money. The results suggest that in some cases, abnormal responses to f...

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