2021
DOI: 10.1007/s40519-021-01172-x View full text |Buy / Rent full text
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Abstract: Purpose Recent evidence from neuroimaging research has shown that eating disorders (EDs) are characterized by alterations in interconnected neural systems, whose characteristics can be usefully described by connectomics tools. The present paper aimed to review the neuroimaging literature in EDs employing connectomic tools, and, specifically, graph theory analysis. Methods A systematic review of the literature was conducted to identify studies employing gra… Show more

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“…After data extraction, the risk of bias in each individual study was evaluated with an index based on the guidelines for neuroimaging research in patients with an eating disorder (Collantoni et al, 2021; Frank et al, 2018; Olivo et al, 2019). It includes 27 items that assess study design, participant characteristics, and analysis methods.…”
Section: Methodsmentioning
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“…After data extraction, the risk of bias in each individual study was evaluated with an index based on the guidelines for neuroimaging research in patients with an eating disorder (Collantoni et al, 2021; Frank et al, 2018; Olivo et al, 2019). It includes 27 items that assess study design, participant characteristics, and analysis methods.…”
Section: Methodsmentioning
“…The number of studies investigating the neurobiological reward system in BE has been steadily increasing. Some of these studies have also been the topic of reviews (Bello & Hajnal, 2010; Collantoni et al, 2021; Donnelly et al, 2018; Frank, 2013; Gianni et al, 2020; Hartogsveld et al, 2022b; Hiluy et al, 2021; Kessler et al, 2016; Mele et al, 2020; Steward et al, 2018; Wonderlich et al, 2021; Yu et al, 2022). However, these reviews have often focused on specific brain reward pathways (e.g., dopamine transmission, brain activity, and functional connectivity) and have frequently lacked a clear theoretical framework.…”
Section: Introductionmentioning
“…Individuals with EDs show cognitive and neurobiological differences compared to healthy controls that contribute to challenges in certain emotional and executive functioning domains, such as impulsivity and cognitive flexibility, areas that have shown to interfere with problem-solving [ 6 11 ]. For instance, there is evidence of frontostriatal circuit differences in EDs which may alter emotion self-regulatory skill [ 12 , 13 ]. In individuals with EDs, there may also be alterations in insula activity, a brain area that integrates emotional and cognitive information with other sensory information and interoceptive cues [ 6 , 7 ].…”
Section: Introductionmentioning
“…Those that do exist are generally small, though the single large study (including 96 AN and 96 HC participants) reported increased white matter integrity within parietal and occipital subnetworks. 10,11 Existing structural connectome investigations in AN populations have typically used a tract reconstruction method that estimates a single fibre orientation within each voxel. This approach, termed "deterministic tractography," can lead to misrepresentation of the white matter tracts, since white matter often contains complex fibre architectures such as bending or crossing fibres.…”
Section: Introductionmentioning