https://www.eurekalert.org/pub_releases/2020-10/aabu-kwo101620.php
News Release 19-Oct-2020
American Associates, Ben-Gurion University of the Negev
What if an MRI scan could determine whether a weight loss program was likely to be effective? Ben-Gurion University of the Negev (BGU) researchers have discovered a neural subnetwork of connected regions between the brain and gastric basal electric frequency that correlates with future weight loss based on connectivity patterns.
BGU's multidisciplinary team's findings, published in the journal NeuroImage, support a prevalent neural theory that people with an increased neural response to seeing and smelling food consistently overeat and gain weight.
"To our surprise, we discovered that while higher executive functions, as measured behaviorally, were dominant factors in weight loss, this was not reflected in patterns of brain connectivity," says Gidon Levakov, a graduate student, who led the study from the BGU Department of Brain and Cognitive Sciences.
"Consequently, we found that weight loss is not merely a matter of willpower, but is actually connected to much more basic visual and olfactory cues."
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"It appears that visual information may be an important factor triggering eating," says principal investigator Prof. Galia Avidan, from the BGU Departments of Brain and Cognitive Sciences and Psychology. "This is reasonable, given that vision is the primary sense in humans."
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