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@ARTICLE{Quoilin:885843,
author = {Quoilin, Caroline and Dricot, Laurence and Genon, Sarah and
de Timary, Philippe and Duque, Julie},
title = {{N}eural bases of inhibitory control: {C}ombining
transcranial magnetic stimulation and magnetic resonance
imaging in alcohol-use disorder patients},
journal = {NeuroImage},
volume = {224},
issn = {1053-8119},
address = {Orlando, Fla.},
publisher = {Academic Press},
reportid = {FZJ-2020-04129},
pages = {117435},
year = {2021},
abstract = {Inhibitory control underlies the ability to inhibit
inappropriate responses and involves processes that suppress
motor excitability. Such motor modulatory effect has been
largely described during action preparation but very little
is known about the neural circuit responsible for its
implementation. Here, we addressed this point by studying
the degree to which the extent of preparatory suppression
relates to brain morphometry. We investigated this
relationship in patients suffering from severe alcohol use
disorder (AUD) because this population displays an
inconsistent level of preparatory suppression and major
structural brain damage, making it a suitable sample to
measure such link. To do so, 45 detoxified patients
underwent a structural magnetic resonance imaging (MRI) and
performed a transcranial magnetic stimulation (TMS)
experiment, in which the degree of preparatory suppression
was quantified. Besides, behavioral inhibition and trait
impulsivity were evaluated in all participants. Overall,
whole-brain analyses revealed that a weaker preparatory
suppression was associated with a decrease in cortical
thickness of a medial prefrontal cluster, encompassing parts
of the anterior cingulate cortex and superior-frontal gyrus.
In addition, a negative association was observed between the
thickness of the supplementary area (SMA)/pre-SMA and
behavioral inhibition abilities. Finally, we did not find
any significant correlation between preparatory suppression,
behavioral inhibition and trait impulsivity, indicating that
they represent different facets of inhibitory control.
Altogether, the current study provides important insight on
the neural regions underlying preparatory suppression and
allows highlighting that the excitability of the motor
system represents a valuable read-out of upstream cognitive
processes.},
cin = {INM-7},
ddc = {610},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {572 - (Dys-)function and Plasticity (POF3-572)},
pid = {G:(DE-HGF)POF3-572},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:33039622},
UT = {WOS:000600796800048},
doi = {10.1016/j.neuroimage.2020.117435},
url = {https://juser.fz-juelich.de/record/885843},
}