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@ARTICLE{Veselinovi:902347,
author = {Veselinović, Tanja and Rajkumar, Ravichandran and Amort,
Laura and Junger, Jessica and Shah, Nadim Jon and Fimm,
Bruno and Neuner, Irene},
title = {{C}onnectivity {P}atterns in the {C}ore {R}esting-{S}tate
{N}etworks and {T}heir {I}nfluence on {C}ognition},
journal = {Brain Connectivity},
volume = {12},
number = {4},
issn = {2158-0022},
address = {New Rochelle, NY},
publisher = {Liebert},
reportid = {FZJ-2021-04196},
pages = {334-347},
year = {2022},
abstract = {Introduction: Three prominent resting-state networks (rsNW)
(default mode network [DMN], salience network [SN], and
central executive network [CEN]) are recognized for their
important role in several neuropsychiatric conditions.
However, our understanding of their relevance in terms of
cognition remains insufficient.Materials and Methods: In
response, this study aims at investigating the patterns of
different network properties (resting-state activity [RSA]
and short- and long-range functional connectivity [FC]) in
these three core rsNWs, as well as the dynamics of
age-associated changes and their relation to cognitive
performance in a sample of healthy controls (N = 74)
covering a large age span (20–79 years). Using a
whole-network based approach, three measures were calculated
from the functional magnetic resonance imaging (fMRI) data:
amplitude of low-frequency fluctuations (ALFF), regional
homogeneity (ReHo), and degree of network centrality (DC).
The cognitive test battery covered the following domains:
memory, executive functioning, processing speed, attention,
and visual perception.Results: For all three fMRI measures
(ALFF, ReHo, and DC), the highest values of spontaneous
brain activity (ALFF), short- and long-range connectivity
(ReHo, DC) were observed in the DMN and the lowest in the
SN. Significant age-associated decrease was observed in the
DMN for ALFF and DC, and in the SN for ALFF and ReHo.
Significant negative partial correlations were observed for
working memory and ALFF in all three networks, as well as
for additional cognitive parameters and ALFF in
CEN.Discussion: Our results show that higher RSA in the
three core rsNWs may have an unfavorable effect on
cognition. Conversely, the pattern of network properties in
healthy subjects included low RSA and FC in the SN. This
complements previous research related to the three core rsNW
and shows that the chosen approach can provide additional
insight into their function.},
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 = {34182786},
UT = {WOS:000804386600004},
doi = {10.1089/brain.2020.0943},
url = {https://juser.fz-juelich.de/record/902347},
}