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@ARTICLE{Paquola:903462,
author = {Paquola, Casey and Garber, Margaret and Frässle, Stefan
and Royer, Jessica and Tavakol, Shahin and Rodriguez-Cruces,
Raul and Jeffries, Elizabeth and Smallwood, Jonathan and
Bernhardt, Boris},
title = {{T}he {U}nique {C}ytoarchitecture and {W}iring of the
{H}uman {D}efault {M}ode {N}etwork},
reportid = {FZJ-2021-05135},
year = {2021},
abstract = {It is challenging to specify the role of the default mode
network (DMN) in human behaviour. Contemporary theories,
based on functional magnetic resonance imaging (MRI),
suggest that the DMN is insulated from the external world,
which allows it to support perceptually-decoupled states and
to integrate external and internal information in the
construction of abstract meanings. To date, the neuronal
architecture of the DMN has received relatively little
attention. Understanding the cytoarchitectural composition
and connectional layout of the DMN will provide novel
insights into its role in brain function. We mapped
cytoarchitectural variation within the DMN using a cortical
type atlas and a histological model of the entire human
brain. Next, we used MRI acquired in healthy young adults to
explicate structural wiring and effective connectivity. We
discovered profound diversity of DMN cytoarchitecture.
Connectivity is organised along the most dominant
cytoarchitectural axis. One side of the axis is the
prominent receiver, whereas the other side remains more
insulated, especially from sensory areas. The structural
heterogeneity of the DMN engenders a network-level balance
in communication with external and internal sources, which
is distinctive, relative to other functional communities.
The neuronal architecture of the DMN suggests it is a
protuberance from the core cortical processing hierarchy and
holds a unique role in information integration.},
cin = {INM-1},
cid = {I:(DE-Juel1)INM-1-20090406},
pnm = {5254 - Neuroscientific Data Analytics and AI (POF4-525) /
HIBALL - Helmholtz International BigBrain Analytics and
Learning Laboratory (HIBALL) (InterLabs-0015)},
pid = {G:(DE-HGF)POF4-5254 / G:(DE-HGF)InterLabs-0015},
typ = {PUB:(DE-HGF)25},
doi = {10.1101/2021.11.22.469533},
url = {https://juser.fz-juelich.de/record/903462},
}