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Annu Rev Neurosci. 2005;28:357-76.

Neural network dynamics.

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Volen Center for Complex Systems and Department of Biology, Brandeis University, Waltham, MA 02454-9110, USA.


Neural network modeling is often concerned with stimulus-driven responses, but most of the activity in the brain is internally generated. Here, we review network models of internally generated activity, focusing on three types of network dynamics: (a) sustained responses to transient stimuli, which provide a model of working memory; (b) oscillatory network activity; and (c) chaotic activity, which models complex patterns of background spiking in cortical and other circuits. We also review propagation of stimulus-driven activity through spontaneously active networks. Exploring these aspects of neural network dynamics is critical for understanding how neural circuits produce cognitive function.

[Indexed for MEDLINE]

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