[HTML][HTML] Gastric bypass surgery for obesity decreases the reward value of a sweet-fat stimulus as assessed in a progressive ratio task

AD Miras, RN Jackson, SN Jackson… - The American journal of …, 2012 - Elsevier
Background: Obesity is among the leading causes of disease and death. Bariatric surgery is
the most effective treatment of obesity. There is increasing evidence that after gastric bypass
surgery, patients and animal models show a decreased preference for sweet and fatty foods.
The underlying mechanism may include alterations in taste function. Objective: We
hypothesize that a gastric bypass reduces the reward value of sweet and fat tastes. Design:
In this prospective case-control study, 11 obese patients who were scheduled to undergo a …