The functional benefits of criticality in the cortex¶
Shew, W. L., & Plenz, D. (2013). The functional benefits of criticality in the cortex. The Neuroscientist, 19(1), 88-100.
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Primes¶
- Criticality
- At \(\sigma = 1\) the system is critical: avalanche size distributions follow a power law \(P(s) \propto s^{-3/2}\) over multiple orders of magnitude, dynamic range and mutual information are maximized, and the system exhibits long-range temporal correlations — a pattern Shew and Plenz (2013) review as the empirical core of the critical-brain hypothesis.
This sourceReview assembling evidence that cortical networks operate near a critical branching ratio of one, with three functional benefits optimized at criticality: dynamic range, information transmission, and information capacity.
- At \(\sigma = 1\) the system is critical: avalanche size distributions follow a power law \(P(s) \propto s^{-3/2}\) over multiple orders of magnitude, dynamic range and mutual information are maximized, and the system exhibits long-range temporal correlations — a pattern Shew and Plenz (2013) review as the empirical core of the critical-brain hypothesis.
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