Computation at the edge of chaos: phase transitions and emergent computation
CNLS '89 Proceedings of the ninth annual international conference of the Center for Nonlinear Studies on Self-organizing, Collective, and Cooperative Phenomena in Natural and Artificial Computing Networks on Emergent computation
Mutual information, Fisher information, and population coding
Neural Computation
Information Theory, Inference & Learning Algorithms
Information Theory, Inference & Learning Algorithms
Information and Self-Organization: A Macroscopic Approach to Complex Systems (Springer Series in Synergetics)
Artificial Life
Semi-synchronous activation in scale-free boolean networks
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Information dynamics in small-world boolean networks
Artificial Life
Artificial Life
Information dynamics in small-world boolean networks
Artificial Life
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We study the order-chaos phase transition in random Boolean networks (RBNs), which have been used as models of gene regulatory networks. In particular we seek to characterize the phase diagram in information-theoretic terms, focusing on the effect of the control parameters (activity level and connectivity). Fisher information, which measures how much system dynamics can reveal about the control parameters, offers a natural interpretation of the phase diagram in RBNs. We report that this measure is maximized near the order-chaos phase transitions in RBNs, since this is the region where the system is most sensitive to its parameters. Furthermore, we use this study of RBNs to clarify the relationship between Shannon and Fisher information measures.