Hedonic Changes in Food Choices Following Roux-en-Y Gastric Bypass

It has been suggested that a shift in food choices leading to a diet with a lower energy density plays an important role in successful weight loss after Roux-en-Y gastric bypass (RYGB) surgery. A decreased hedonic drive to consume highly palatable foods may explain these changes in eating behavior....

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Bibliographic Details
Published in:Obesity surgery 2016-08, Vol.26 (8), p.1946-1955
Main Authors: Hansen, Thea Toft, Jakobsen, Tine Anette, Nielsen, Mette Søndergaard, Sjödin, Anders, Le Roux, Carel W., Schmidt, Julie Berg
Format: Article
Language:English
Subjects:
Appetite
Choice Behavior - physiology
Diet
Feeding Behavior - psychology
Food Preferences - psychology
Gastric Bypass - psychology
Gastric Bypass - rehabilitation
Gastrointestinal surgery
Health behavior
Humans
Medicine
Medicine & Public Health
Obesity
Obesity, Morbid - psychology
Obesity, Morbid - rehabilitation
Obesity, Morbid - surgery
Philosophy
Postoperative Period
Review Article
Reward
Surgery
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Summary:It has been suggested that a shift in food choices leading to a diet with a lower energy density plays an important role in successful weight loss after Roux-en-Y gastric bypass (RYGB) surgery. A decreased hedonic drive to consume highly palatable foods may explain these changes in eating behavior. Here, we review the literature examining postoperative changes in mechanisms contributing to hedonic drive (food preferences, reinforcing value of food, dopamine signaling, and activity reward-related brain regions). The majority of studies reviewed support that RYGB decrease the hedonic drive to consume highly palatable foods. Still, in order to fully understand the complexity of these changes, we need studies combining sociological and psychological approaches with objective measures of actual food choices examining different measures of hedonic drive.
ISSN:0960-8923
1708-0428
DOI:10.1007/s11695-016-2217-x