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Intra‐individual cortical networks in Anorexia Nervosa: Evidence from a longitudinal dataset.
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- Author(s): Collantoni, Enrico (AUTHOR); Alberti, Francesco (AUTHOR); Dahmen, Brigitte (AUTHOR); von Polier, Georg (AUTHOR); Konrad, Kerstin (AUTHOR); Herpertz‐Dahlmann, Beate (AUTHOR); Favaro, Angela (AUTHOR); Seitz, Jochen (AUTHOR)
- Source:
European Eating Disorders Review. Mar2024, Vol. 32 Issue 2, p298-309. 12p. - Source:
- Additional Information
- Subject Terms:
- Abstract: Objective: This work investigates cortical thickness (CT) and gyrification patterns in Anorexia Nervosa (AN) before and after short‐term weight restoration using graph theory tools. Methods: 38 female adolescents with AN underwent structural magnetic resonance imaging scans at baseline and after ‐ on average ‐ 3.5 months following short‐term weight restoration while 53 age‐matched healthy controls (HCs) were scanned once. Graph measures were compared between groups and longitudinally within the AN group. Associations with clinical measures such as age of onset, duration of illness, BMI standard deviation score (BMI‐SDS), and longitudinal weight changes were tested via stepwise regression. Results: Cortical thickness graphs of patients with acute AN displayed lower modularity and small‐world index (SWI) than HCs. Modularity recovered after weight gain. Reduced global efficiency and SWI were observed in patients at baseline compared to HCs based on gyrification networks. Significant associations between local clustering of CT at admission and BMI‐SDS, and clustering/global efficiency of gyrification and duration of illness emerged. Conclusions: Our results indicate a shift towards less organised CT networks in patients with acute AN. After weight recovery, the disarrangement seems to be partially reduced. However, longer‐term follow‐ups are needed to determine whether cortical organizational patterns fully return to normal. Highlights: Patients with acute Anorexia Nervosa (AN) displayed a shift towards less organised cortical networks.After a short‐term weight restoration, alterations in cortical architecture seems to partially recover, suggesting the beneficial consequences of adequate nutritional programs on the brain structure.The associations between the organization of morphological patterns and clinical indices such as BMI standard deviation score (BMI‐SDS) and duration of the disorder support and emphasise the importance of an early and thorough weight rehabilitation in the treatment of AN. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of European Eating Disorders Review is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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