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. 2023 Aug 31;15(17):3808. doi: 10.3390/nu15173808

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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At 4 months post-surgery, there was a two-way interaction between treatment and binge eating status groups in the middle occipital gyrus in response to HEF (vs. LEF) cues. Binge eaters (BE) showed greater activation (vs. non-binge eaters, NB) in middle occipital gyrus in response to Food vs. Non-Food (NF) cues. The RYGB BE participants (vs. RYGB NB, NT BE, and NT NB participants) had the lowest middle occipital gyrus activation in response to HEF (vs. LEF) cues, whilst the RYGB NB participants (vs. RYGB BE, NT BE, and NT NB participants) had the highest middle occipital gyrus activation in response to HEF (vs. LEF) cues.