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Noise-induced memory in extended excitable systems
Dante R. Chialvo, Guillermo A. Cecchi, Marcelo O. Magnasco
We describe a form of memory exhibited by extended excitable systems driven by stochastic fluctuations. Under such conditions, the system self-organizes into a state characterized…
Learning from Mistakes
Dante R. Chialvo, Per Bak
A simple model of self-organised learning with no classical (Hebbian) reinforcement is presented. Synaptic connections involved in mistakes are depressed. The model operates at a h…
Pattern Formation and Functionality in Swarm Models
Erik M. Rauch, Mark M. Millonas, Dante R. Chialvo
We explore a simplified class of models we call swarms, which are inspired by the collective behavior of social insects. We perform a mean-field stability analysis and perform nume…