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arxiv 2203.00519 v3 pith:ULX5O6ZU submitted 2022-02-28 stat.ME math.STstat.COstat.TH

Entropic Hyper-Connectomes Computation and Analysis

classification stat.ME math.STstat.COstat.TH
keywords computationhyper-connectomehypergraphmethodsconnectomefinitegeometrygive
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Brain function and connectivity is a pressing mystery in medicine related to many diseases. Neural connectomes have been studied as graphs with graph theory methods including topological methods. Work has started on hypergraph models and methods where the geometry and topology is significantly different. We define a hypergraph called the hyper-connectome with joint information entropy and total correlation. We give the pseudocode for computation from finite samples. We give the theoretic importance of this generalization's topology and geometry with respect to random variables and then prove the hypergraph can be necessary for prediction and classification. We confirm with a simulation study and computation. We prove the approximation for continuous random variables with finite samples. We compare connectome versus hyper-connectome for predicting schizophrenia in subjects based on a fMRI dataset using a linear support vector machine. The hyper-connectome achieves better performance in accuracy (up to 56\%) and F1 score (up to 0.52) than the connectome. We reject null hypothesis at 95\% with p-value = 0.00074.

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