Defining and measuring proximity to criticality
J. Samuel Sooter, Antonio J. Fontenele, Andrea K. Barreiro, Cheng Ly, Keith B. Hengen, Woodrow L. Shew
The paper develops a method to measure proximity to criticality in complex systems using a temporal renormalization group and information theory, applying it to brain activity data to show shifts in criticality during wakefulness and sleep.
Proceedings of the National Academy of Sciences · Oct 28, 2026Peer-reviewedNeuroscience