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@ARTICLE{Serio:1022128,
author = {Serio, Bianca and Hettwer, Meike D. and Wiersch, Lisa and
Bignardi, Giacomo and Sacher, Julia and Weis, Susanne and
Eickhoff, Simon B. and Valk, Sofie L.},
title = {{S}ex differences in intrinsic functional cortical
organization reflect differences in network topology rather
than cortical morphometry},
reportid = {FZJ-2024-01249},
year = {2023},
note = {We want to thank the Human Connectome Project, Washington
University, the University of Minnesota, and Oxford
University Consortium (Principal Investigators: David Van
Essen and Kamil Ugurbil; 1U54MH091657) originally funded by
the 16 N.I.H. Institutes and Centers that support the N.I.H.
Blueprint for Neuroscience Research; and by the McDonnell
Center for Systems Neuroscience at Washington University.
BS, MDH, and GB were funded by the German Federal Ministry
of Education and Research (BMBF) and the Max Planck Society.
JS was funded by the Max Planck Society and University of
Leipzig. LW, SW, and SBE was funded by the European
Union’s Horizon 2020 Research and Innovation Program
(grant agreements 945539 [HBP SGA3], 826421 [VBC], and
101058516), the DFG (SFB 1451 and IRTG 2150), and the
National Institute of Health (NIH; R01 MH074457). SLV was
supported by the Max Planck Society through the Otto Hahn
Award.},
abstract = {Brain size robustly differs between sexes. However, the
consequences of this anatomical dimorphism on sex
differences in intrinsic brain function remain unclear. We
investigated the extent to which sex differences in
intrinsic cortical functional organization may be explained
by differences in cortical morphometry, namely brain size,
microstructure, and the geodesic distances of connectivity
profiles. For this, we computed a low dimensional
representation of functional cortical organization, the
sensory-association axis, and identified widespread sex
differences. Contrary to our expectations, observed sex
differences in functional organization were not
fundamentally associated with differences in brain size,
microstructural organization, or geodesic distances, despite
these morphometric properties being per se associated with
functional organization and differing between sexes.
Instead, functional sex differences in the
sensory-association axis were associated with differences in
functional connectivity profiles and network topology.
Collectively, our findings suggest that sex differences in
functional cortical organization extend beyond sex
differences in cortical morphometry.},
cin = {INM-7},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {5252 - Brain Dysfunction and Plasticity (POF4-525) / 5251 -
Multilevel Brain Organization and Variability (POF4-525)},
pid = {G:(DE-HGF)POF4-5252 / G:(DE-HGF)POF4-5251},
typ = {PUB:(DE-HGF)25},
doi = {10.1101/2023.11.23.568437},
url = {https://juser.fz-juelich.de/record/1022128},
}