Keywords: Functional Connectivity, White Matter
Motivation: The high-order organization of white matter (WM) in functional brain networks is not fully understood.
Goal(s): Our goal is to explore high-order functional connectivity between white matter and gray matter comprehensively.
Approach: We constructed a novel hypergraph model to capture WM-GM connectivity, using hypernetwork clustering coefficients for network analysis in cognitively normal and subjects with Alzheimer’s disease (AD).
Results: The AD group showed significant reductions in hypergraph clustering coefficients (HCC), and HCCs demonstrated significantly higher decline in AD compared to traditional metrics.
Impact: This hypergraph framework provides a sensitive tool to characterize AD-related functional deterioration in WM-GM connectivity.
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