{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T02:36:31Z","timestamp":1789612591697,"version":"build-2803163510"},"reference-count":52,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T00:00:00Z","timestamp":1690934400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100019398","name":"Beijing Friendship Hospital, Capital Medical University","doi-asserted-by":"publisher","award":["YYZZ201917"],"award-info":[{"award-number":["YYZZ201917"]}],"id":[{"id":"10.13039\/501100019398","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82001790"],"award-info":[{"award-number":["82001790"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Eating Disorders"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Although studies have demonstrated the involvement of the nucleus accumbens (NAc) in the neurobiology of eating disorders, its alterations in bulimia nervosa (BN) remain largely unknown. This study investigated the structural and functional properties of NAc in patients with BN.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Based on the resting\u2010state functional MRI and high\u2010resolution anatomical T1\u2010weighted imaging data acquired from 43 right\u2010handed BN patients and 40 sex\u2010, age\u2010 and education\u2010matched right\u2010handed healthy controls (HCs), the group differences in gray matter volume (GMV) and fractional amplitude of low\u2010frequency fluctuation (fALFF) in slow\u20104 and \u20105 bands and functional connectivity (FC) of NAc subregions (core and shell) were compared. The relationships between MRI and clinical data were explored in the BN group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Compared with HCs, BN patients showed preserved GMV, decreased fALFF in slow\u20105 band of the left NAc core and shell, decreased FC between left NAc core and right caudate, and increased FC between all NAc subregions and frontal regions, between all NAc subregions (except the right NAc core) and the supramarginal gyrus (SMG), and between right NAc shell and left middle temporal gyrus. FC between the NAc and SMG was correlated with emotional eating behaviors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>Our study revealed preserved GMV, local neuronal activity reduction and functional network reorganization of the NAc in BN. The functional network reorganization of the NAc mainly occurred in the frontal cortex and was correlated with emotional eating behavior. These findings may provide novel insights into the BN using NAc as an entry point.<\/jats:p><\/jats:sec><jats:sec><jats:title>Public significance<\/jats:title><jats:p>Although studies have demonstrated the involvement of the nucleus accumbens (NAc) in the neurobiology of eating disorders, its alterations in bulimia nervosa (BN) remain largely unknown. We used a multimodal MRI technique to systematically investigate structural and functional alterations in NAc subregions of BN patients and explored the associations between such alterations and maladaptive eating behaviors, hoping to provide novel insights into BN.<\/jats:p><\/jats:sec>","DOI":"10.1002\/eat.24038","type":"journal-article","created":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T13:30:28Z","timestamp":1690983028000},"page":"2084-2095","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["The role of functional and structural properties of the nucleus accumbens subregions in eating behavior regulation of bulimia nervosa"],"prefix":"10.1002","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-5146-7829","authenticated-orcid":false,"given":"Yiling","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Radiology, Beijing Friendship Hospital Capital Medical University  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