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@ARTICLE{Sbaihat:905647,
author = {Sbaihat, Hasan Mohammad Hasan and Rajkumar, Ravichandran
and Ramkiran, Shukti and Assi, Abed Al-Nasser and Felder,
Jörg and Shah, N. J. and Veselinović, Tanja and Neuner,
Irene},
title = {{T}est–retest stability of spontaneous brain activity and
functional connectivity in the core resting‐state networks
assessed with ultrahigh field 7‐{T}esla resting‐state
functional magnetic resonance imaging},
journal = {Human brain mapping},
volume = {43},
number = {6},
issn = {1065-9471},
address = {New York, NY},
publisher = {Wiley-Liss},
reportid = {FZJ-2022-00874},
pages = {2026-2040},
year = {2022},
abstract = {The growing demand for precise and reliable biomarkers in
psychiatry is fueling research interest in the hope that
identifying quantifiable indicators will improve diagnoses
and treatment planning across a range of mental health
conditions. The individual properties of brain networks at
rest have been highlighted as a possible source for such
biomarkers, with the added advantage that they are
relatively straightforward to obtain. However, an important
prerequisite for their consideration is their
reproducibility. While the reliability of resting-state (RS)
measurements has often been studied at standard field
strengths, they have rarely been investigated using
ultrahigh-field (UHF) magnetic resonance imaging (MRI)
systems. We investigated the intersession stability of four
functional MRI RS parameters—amplitude of low-frequency
fluctuations (ALFF) and fractional ALFF (fALFF; representing
the spontaneous brain activity), regional homogeneity (ReHo;
measure of local connectivity), and degree centrality (DC;
measure of long-range connectivity)—in three RS networks,
previously shown to play an important role in several
psychiatric diseases—the default mode network (DMN), the
central executive network (CEN), and the salience network
(SN). Our investigation at individual subject space revealed
a strong stability for ALFF, ReHo, and DC in all three
networks, and a moderate level of stability in fALFF.
Furthermore, the internetwork connectivity between each
network pair was strongly stable between CEN/SN and
moderately stable between DMN/SN and DMN/SN. The high degree
of reliability and reproducibility in capturing the
properties of the three major RS networks by means of
UHF-MRI points to its applicability as a potentially useful
tool in the search for disease-relevant biomarkers.},
cin = {INM-4 / INM-11 / JARA-BRAIN},
ddc = {610},
cid = {I:(DE-Juel1)INM-4-20090406 / I:(DE-Juel1)INM-11-20170113 /
I:(DE-Juel1)VDB1046},
pnm = {5253 - Neuroimaging (POF4-525)},
pid = {G:(DE-HGF)POF4-5253},
typ = {PUB:(DE-HGF)16},
pubmed = {35044722},
UT = {WOS:000744077400001},
doi = {10.1002/hbm.25771},
url = {https://juser.fz-juelich.de/record/905647},
}