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@ARTICLE{Hensel:857146,
author = {Hensel, Lukas and Hoffstaedter, Felix and Caspers, Julian
and Michely, Jochen and Mathys, Christian and Heller, Julia
and Eickhoff, Claudia and Reetz, Kathrin and Südmeyer,
Martin and Fink, Gereon Rudolf and Schnitzler, Alfons and
Grefkes, Christian and Eickhoff, Simon},
title = {{F}unctional {C}onnectivity {C}hanges of {K}ey {R}egions
for {M}otor {I}nitiation in {P}arkinson’s {D}isease},
journal = {Cerebral cortex},
volume = {29},
issn = {1460-2199},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2018-06390},
pages = {383-396},
year = {2019},
abstract = {Akinesia, a cardinal symptom of Parkinson’s disease, has
been linked to abnormal activation in putamen and posterior
medial frontal cortex (pMFC). However, little is known
whether clinical severity of akinesia is linked to
dysfunctional connectivity of these regions. Using a
seed-based approach, we here investigated resting-state
functional connectivity (RSFC) of putamen, pMFC and primary
motor cortex (M1) in 60 patients with Parkinson’s disease
on regular medication and 72 healthy controls. We found that
in patients putamen featured decreases of connectivity for a
number of cortical and subcortical areas engaged in
sensorimotor and cognitive processing. In contrast, the pMFC
showed reduced connectivity with a more focal cortical
network involved in higher-level motor-cognition. Finally,
M1 featured a selective disruption of connectivity in a
network specifically connected with M1. Correlating clinical
impairment with connectivity changes revealed a relationship
between akinesia and reduced RSFC between pMFC and left
intraparietal lobule (IPL). Together, the present study
demonstrated RSFC decreases in networks for motor initiation
and execution in Parkinson’s disease. Moreover, results
suggest a relationship between pMFC-IPL decoupling and the
manifestation of akinetic symptoms.},
cin = {INM-3 / INM-7 / INM-1 / JARA-BRAIN},
ddc = {610},
cid = {I:(DE-Juel1)INM-3-20090406 / I:(DE-Juel1)INM-7-20090406 /
I:(DE-Juel1)INM-1-20090406 / $I:(DE-82)080010_20140620$},
pnm = {572 - (Dys-)function and Plasticity (POF3-572) / SMHB -
Supercomputing and Modelling for the Human Brain
(HGF-SMHB-2013-2017) / HBP SGA1 - Human Brain Project
Specific Grant Agreement 1 (720270) / HBP SGA2 - Human Brain
Project Specific Grant Agreement 2 (785907)},
pid = {G:(DE-HGF)POF3-572 / G:(DE-Juel1)HGF-SMHB-2013-2017 /
G:(EU-Grant)720270 / G:(EU-Grant)785907},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30418548},
UT = {WOS:000459518500029},
doi = {10.1093/cercor/bhy259},
url = {https://juser.fz-juelich.de/record/857146},
}