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@ARTICLE{Jockwitz:828030,
author = {Jockwitz, Christiane and Caspers, Svenja and Lux, Silke and
Eickhoff, Simon and Jütten, Kerstin and Lenzen, Stefan and
Moebus, Susanne and Pundt, Noreen and Reid, Andrew and
Hoffstaedter, Felix and Jöckel, Karl-Heinz and Erbel,
Raimund and Cichon, Sven and Nöthen, Markus M. and Shah, N.
J. and Zilles, Karl and Amunts, Katrin},
title = {{I}nfluence of age and cognitive performance on
resting-state brain networks of older adults in a
population-based cohort},
journal = {Cortex},
volume = {89},
issn = {0010-9452},
address = {Paris},
publisher = {Elsevier Masson},
reportid = {FZJ-2017-02044},
pages = {28 - 44},
year = {2017},
abstract = {Aging leads to global changes in brain structure and
cognitive performance, with reorganization of functional
brain networks. Importantly, these age-related changes show
higher inter-individual variability in older subjects. To
particularly address this variability is a challenge for
studies on lifetime trajectories from early to late
adulthood. The present study therefore had a dedicated focus
on late adulthood to characterize the functional
connectivity in resting-state networks (RSFC) in relation to
age and cognitive performance in 711 older adults (55–85
years) from the 1000BRAINS project. The executive, left and
right frontoparietal resting-state (RS) networks showed
age-related increases in RSFC. However, older adults did not
show changes in RSFC in the default mode network (DMN).
Furthermore, lower performance in working memory (WM) was
associated with higher RSFC in the left frontoparietal RS
network. The results suggest age-related compensatory
increases in RSFC which might help to maintain cognitive
performance. Nevertheless, the negative correlation between
RSFC and WM performance hints at limited cognitive reserve
capacity in lower performing older adults. Consequently, the
current results provide evidence for a functional
reorganization of the brain until late adulthood that might
additionally explain parts of the variability of cognitive
abilities in older adults.},
cin = {INM-1 / INM-4},
ddc = {570},
cid = {I:(DE-Juel1)INM-1-20090406 / I:(DE-Juel1)INM-4-20090406},
pnm = {571 - Connectivity and Activity (POF3-571) / HBP SGA1 -
Human Brain Project Specific Grant Agreement 1 (720270)},
pid = {G:(DE-HGF)POF3-571 / G:(EU-Grant)720270},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000399261000003},
pubmed = {pmid:28192723},
doi = {10.1016/j.cortex.2017.01.008},
url = {https://juser.fz-juelich.de/record/828030},
}