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@ARTICLE{Lotter:891732,
author = {Lotter, Leon and von Polier, Georg and Offermann, Jan and
Buettgen, Kimberly and Stanetzky, Lukas and Eickhoff, Simon
B. and Konrad, Kerstin and Seitz, Jochen and Dukart,
Juergen},
title = {{R}ecovery-associated resting-state activity and
connectivity alterations in {A}norexia nervosa},
journal = {Biological psychiatry},
volume = {6},
number = {10},
issn = {2451-9022},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Inc.},
reportid = {FZJ-2021-01702},
pages = {1023-1033},
year = {2021},
abstract = {Background: Previous studies provided controversial insight
on the impact of starvation, disease status and underlying
grey matter volume (GMV) changes on resting-state functional
magnetic resonance imaging (rsfMRI) alterations in Anorexia
nervosa (AN). Here we adapt a combined longitudinal and
cross-sectional approach to disentangle the effects of these
factors on resting-state alterations in AN.Methods: Overall,
87 female subjects were included in the study: adolescent
patients with acute AN scanned at inpatient admission (N =
22, mean age 15.3 years) and at discharge (N = 21), 21
patients recovered from AN (22.3 years) and two groups of
healthy age-matched controls (both N = 22, 16.0 and 22.5
years). Whole-brain measures of resting-state activity and
functional connectivity were computed (Network Based
Statistics, Global Correlation, Integrated Local
Correlation, fractional Amplitude of Low Frequency
Fluctuations) to assess rsfMRI alterations over the course
of AN treatment before and after controlling for underlying
GMV.Results: Patients with acute AN displayed strong and
widespread prefrontal, sensorimotor, parietal, temporal,
precuneal and insular reductions of resting-state
connectivity and activity. All alterations were independent
of GMV and were largely normalized in short- and absent in
long-term recovered AN.Conclusions: Resting-state fMRI
alterations in AN constitute acute and GMV independent
presumably starvation-related phenomena. The majority of
alterations found here normalized over the course of
recovery without evidence for possible preexisting trait- or
remaining "scar"-effects.Keywords: Anorexia nervosa;
functional connectivity; grey matter volume; longitudinal;
recovery; resting-state functional magnetic resonance
imaging.},
cin = {INM-7 / INM-11},
ddc = {610},
cid = {I:(DE-Juel1)INM-7-20090406 / I:(DE-Juel1)INM-11-20170113},
pnm = {525 - Decoding Brain Organization and Dysfunction
(POF4-525) / 89572 - (Dys-)function and Plasticity
(POF2-89572)},
pid = {G:(DE-HGF)POF4-525 / G:(DE-HGF)POF2-89572},
typ = {PUB:(DE-HGF)16},
pubmed = {33766777},
UT = {WOS:000705934200012},
doi = {10.1016/j.bpsc.2021.03.006},
url = {https://juser.fz-juelich.de/record/891732},
}