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@ARTICLE{Yoo:1024849,
author = {Yoo, Seulki and Jang, Yurim and Hong, Seok-Jun and Park,
Hyunjin and Valk, Sofie L. and Bernhardt, Boris C. and Park,
Bo-yong},
title = {{W}hole-brain structural connectome asymmetry in autism},
journal = {NeuroImage},
volume = {288},
issn = {1053-8119},
address = {Orlando, Fla.},
publisher = {Academic Press},
reportid = {FZJ-2024-02515},
pages = {120534 -},
year = {2024},
abstract = {Autism spectrum disorder is a common neurodevelopmental
condition that manifests as a disruption in sensory and
social skills. Although it has been shown that the brain
morphology of individuals with autism is asymmetric, how
this differentially affects the structural connectome
organization of each hemisphere remains under-investigated.
We studied whole-brain structural connectivity-based brain
asymmetry in individuals with autism using diffusion
magnetic resonance imaging obtained from the Autism Brain
Imaging Data Exchange initiative. By leveraging
dimensionality reduction techniques, we constructed
low-dimensional representations of structural connectivity
and calculated their asymmetry index. Comparing the
asymmetry index between individuals with autism and
neurotypical controls, we found atypical structural
connectome asymmetry in the sensory and default-mode
regions, particularly showing weaker asymmetry towards the
right hemisphere in autism. Network communication provided
topological underpinnings by demonstrating that the inferior
temporal cortex and limbic and frontoparietal regions showed
reduced global network communication efficiency and
decreased send-receive network navigation in the inferior
temporal and lateral visual cortices in individuals with
autism. Finally, supervised machine learning revealed that
structural connectome asymmetry could be used as a measure
for predicting communication-related autistic symptoms and
nonverbal intelligence. Our findings provide insights into
macroscale structural connectome alterations in autism and
their topological underpinnings.},
cin = {INM-7},
ddc = {610},
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)16},
pubmed = {38340881},
UT = {WOS:001185401200001},
doi = {10.1016/j.neuroimage.2024.120534},
url = {https://juser.fz-juelich.de/record/1024849},
}