Author

F. Petruso

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Open access Oct 2026

Higher-order topology uncovers the multidimensional dynamics of naturalistic emotion

Emotions are thought to emerge from co-activation among distributed brain systems, yet traditional fMRI analyses typically examine localized responses and pairwise connections, potentially overlooking interactions among groups of regions. Here, we use time-resolved higher-order topology to characterize these group inte...

Lorenzo Zaffina, Matteo Diano, F. Petruso et al. · bioRxiv · 0 citations

#artificial intelligence Preprint Sep 2026

TwinS-GCN: Spectral conjugate for Spectral Graph Convolutional Networks

Graph convolutional networks propagate information by repeated local aggregation through a graph shift operator; i.e., a $K$-layer network reaches $K$ hops neighborhood. On the one hand, such spreading can lead to oversmoothing. On the other hand, long-range dependencies demand the depth. Transporting information on lo...

Chun Hei Michael Chan, F. Petruso, D. Van de Ville · 0 citations