Reduced Resting-State Functional Connectivity in Current and Recovered Restrictive Anorexia Nervosa
Bibliographic Data
| ID | 15528860 |
|---|---|
| Authors | Jessica Scaife (0000-0001-5661-7921, Oxford Health NHS Foundation Trust, corresponding author), Jessica Clare Scaife, Lauren Godier‐McBard (0000-0002-3742-6721, University of Oxford), Lauren Rose Godier, Nicola Filippini (0000-0003-1513-5269, University of Oxford), Catherine J Harmer (0000-0002-1609-8335, University of Oxford), Rebecca J Park (0000-0002-8611-4409, Oxford Health NHS Foundation Trust) |
| Year | 2017 |
| Volume | 8 |
| Pages | 30-30 |
| Publication date | 2017-03-28 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Frontiers in Psychiatry (JOURNAL) |
| Journal identifiers | ISSN: 1664-0640 • E-ISSN: 1664-0640 |
| Publisher | Frontiers Media (PUBLISHER • CH) |
| DOI | 10.3389/fpsyt.2017.00030 |
| PMID | 28400737 |
| OpenAlex | W2602783119 |
| Language | EN |
| Citations received | 1 |
| References cited | 81 |
Functional connectivity studies based on resting-state functional magnetic resonance imaging (rs-fMRI) have shown alterations in brain networks associated with self-referential processing, cognitive control, and somatosensory processing in anorexia nervosa (AN). This study aimed to further investigate the functional connectivity of resting-state networks (RSNs) in homogenous subsamples of individuals with restrictive AN (current and recovered) and the relationship this has with core eating disorder psychopathology. rs-fMRI scans were obtained from 12 female individuals with restrictive AN, 14 females recovered from restrictive AN, and 16 female healthy controls. Independent components analysis revealed a set of functionally relevant RSNs, previously reported in the literature. Dual regression analysis showed decreased temporal coherence within the lateral visual and auditory RSNs in individuals with current AN and those recovered from AN compared to healthy individuals. This decreased connectivity was also found in regions associated with somatosensory processing, and is consistent with reduced interoceptive awareness and body image perception, characteristic of AN. Widespread gray matter (GM) reductions were also found in both the AN groups, and differences in functional connectivity were no longer significant when GM maps were added as a covariate in the dual regression analysis. This raises the possibility that deficits in somatosensory and interoceptive processing observed in AN may be in part underpinned or exacerbated by GM reductions
Anorexia nervosa · Audiology · Default mode network · Developmental psychology · Eating disorders · Functional connectivity · Functional Imaging · Functional magnetic resonance imaging · Psychopathology · Resting state fMRI · Somatosensory system · Clinical Psychology · Functional Brain Connectivity Studies · Medicine · Mental Health Research Topics · Neuroscience · Psychology · Psychosomatic Disorders and Their Treatments
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| Citations per year | 0.13 |
|---|---|
| Citation span | 2018 - 2018 (1) |
| Highly cited | No |