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The Effects of Bariatric Surgery on Impulsivity and Attentional Bias to Food Cues
After obesity surgery gastric bypass (GBP) patients usually lose more than 50% of its former preponderance in relative short time (\~ 2 years). But knowledge of the underlying biological mechanisms of decline in body weight is still inadequate. This project intends to examine patients' background activity in the brain (i.e. "the resting state activity") and brain volume using MRI both before and one year after surgery.
We will also investigate whether hormonal changes in response to food intake after obesity surgery is associated with patients' impulsive control when exposed to pictures of food in the MRI.
Age
18 - 65 years
Sex
FEMALE
Healthy Volunteers
No
Academic Hospital
Uppsala, Sweden
Start Date
March 1, 2013
Primary Completion Date
December 1, 2016
Completion Date
December 1, 2016
Last Updated
June 2, 2015
48
ESTIMATED participants
Bariatric surgery
PROCEDURE
Brain activity in resting state
BEHAVIORAL
Memory performance
BEHAVIORAL
Lead Sponsor
Uppsala University
Collaborators
NCT07472881
NCT01143454
Data Source & Attribution
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