PACE applies Ising-model logic to fMRI brain networks to detect hierarchical communities
PTenigma · x · 2026-09-19
Recapping Prof. Liang Zhan's talk covering 10 hard problems in 30 minutes: the PACE paper (with Alex Leow) borrows the Ising model from magnetism to analyze fMRI brain networks — consistently positive correlations pull regions together, negative ones push them apart — repeatedly splitting communities with statistical tests to detect hierarchical structure in functional MRI.
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