At the critical point between order and chaos, neural networks maximize dynamic range, information transmission, and repertoire of states. The brain may self-tune to this edge via homeostatic plasticity.
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Dynamic Range (dB)
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Correlation Length
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Coeff. Variation
1.00
0.05
1.00
Ising-like model of neural criticality · Color = local correlation · Red line = critical coupling Jc ≈ 1.0