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@ARTICLE{Ruan:909159,
author = {Ruan, Vanessa Ande and Hartz, Arne and Hueck, Manuel and
Dahmen, Brigitte and von Polier, Georg and
Herpertz-Dahlmann, Beate and Konrad, Kerstin and
Schulte-Rüther, Martin and Seitz, Jochen},
title = {{N}eural mechanisms underlying {S}ocial {R}ecognition and
{T}heory of {M}ind in {A}dolescent {P}atients with {B}ulimia
{N}ervosa and {T}ransdiagnostic {C}omparison with {A}norexia
{N}ervosa},
journal = {European eating disorders review},
volume = {30},
number = {5},
issn = {1072-4133},
address = {Chichester},
publisher = {Wiley},
reportid = {FZJ-2022-03038},
pages = {486-500},
year = {2022},
abstract = {IntroductionTheory of mind (ToM) is important for social
interactions and typical development and has been found to
be impaired in patients with anorexia nervosa (AN) and
bulimia nervosa (BN). Hypoactivation in frontotemporal brain
regions seems to be the underlying neural mechanism in AN
while whole-brain analyses in BN are lacking.MethodsWe used
the well-validated social recognition task fMRI paradigm to
assess ToM in a total of 72 female adolescents (16 BN, 18 AN
and 38 matched healthy controls [HC]).ResultsCompared to
HCBN, patients with BN showed hyperactivity during
ToM-activity in the right frontal pole, middle temporal
gyrus and left temporal pole and differed fundamentally from
hypoactivation in these regions observed in patients with AN
before and after short-term weight rehabilitation.
Interaction and overlap analyses confirmed that similar
regions were affected in opposite directions in both
diseases. Hyperactivations in BN in the right middle
temporal gyrus and right frontal pole were associated with
clinical BN-severity markers binging and purging
frequency.DiscussionThe hyperactivation in BN suggest
different underlying neural mechanisms for ToM compared to
AN. Hyperactivity might correspond to a different but also
ineffective cognitive style in patients with BN when
approaching social interactions. These important
transdiagnostic differences are relevant for future
brain-targeted therapeutic approaches.},
cin = {INM-7},
ddc = {610},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {5252 - Brain Dysfunction and Plasticity (POF4-525)},
pid = {G:(DE-HGF)POF4-5252},
typ = {PUB:(DE-HGF)16},
pubmed = {35701077},
UT = {WOS:000810701700001},
doi = {10.1002/erv.2911},
url = {https://juser.fz-juelich.de/record/909159},
}