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@ARTICLE{PetrySchmelzer:888240,
author = {Petry‐Schmelzer, Jan Niklas and Jergas, Hannah and Thies,
Tabea and Steffen, Julia K. and Reker, Paul and Dafsari,
Haidar S. and Mücke, Doris and Fink, Gereon R. and
Visser‐Vandewalle, Veerle and Dembek, Till A. and Barbe,
Michael T.},
title = {{N}etwork fingerprint of stimulation‐induced speech
impairment in essential tremor},
journal = {Annals of neurology},
volume = {89},
number = {2},
issn = {1531-8249},
address = {Hoboken, NJ},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2020-04789},
pages = {315-326},
year = {2021},
abstract = {ObjectiveThis study was undertaken to gain insights into
structural networks associated with stimulation‐induced
dysarthria (SID) and to predict stimulation‐induced
worsening of intelligibility in essential tremor patients
with bilateral thalamic deep brain stimulation
(DBS).MethodsMonopolar reviews were conducted in 14
essential tremor patients. Testing included determination of
SID thresholds, intelligibility ratings, and a fast syllable
repetition task. Volumes of tissue activated (VTAs) were
calculated to identify discriminative fibers for
stimulation‐induced worsening of intelligibility in a
structural connectome. The resulting fiber‐based atlas
structure was then validated in a leave‐one‐out
design.ResultsFibers determined as discriminative for
stimulation‐induced worsening of intelligibility were
mainly connected to the ipsilateral precentral gyrus as well
as to both cerebellar hemispheres and the ipsilateral brain
stem. In the thalamic area, they ran laterally to the
thalamus and posteromedially to the subthalamic nucleus, in
close proximity, mainly anterolaterally, to fibers
beneficial for tremor control as published by Al‐Fatly et
al in 2019. The overlap of the respective clinical
stimulation setting's VTAs with these fibers explained
$62.4\%$ (p < 0.001) of the variance of
stimulation‐induced change in intelligibility in a
leave‐one‐out analysis.InterpretationThis study
demonstrates that SID in essential tremor patients is
associated with both motor cortex and cerebellar
connectivity. Furthermore, the identified fiber‐based
atlas structure might contribute to future postoperative
programming strategies to achieve optimal tremor control
without speech impairment in essential tremor patients with
thalamic DBS. ANN NEUROL 2021;89:315–326},
cin = {INM-3},
ddc = {610},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {5251 - Multilevel Brain Organization and Variability
(POF4-525)},
pid = {G:(DE-HGF)POF4-5251},
typ = {PUB:(DE-HGF)16},
pubmed = {33201528},
UT = {WOS:000592250300001},
doi = {10.1002/ana.25958},
url = {https://juser.fz-juelich.de/record/888240},
}