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Corinna Fohlmeister
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Spontaneous Excitations in the Visual Cortex: Stripes, Spirals, Rings, and Collective Bursts
UnavailablePublisher: Journals Gateway
Neural Computation (1995) 7 (5): 905–914.
Published: 01 September 1995
Abstract
View articletitled, Spontaneous Excitations in the Visual Cortex: Stripes, Spirals, Rings, and Collective Bursts
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for article titled, Spontaneous Excitations in the Visual Cortex: Stripes, Spirals, Rings, and Collective Bursts
As a simple model of the cortical sheet, we study a locally connected net of spiking neurons, Refractoriness, noise, axonal delays, and the time course of excitatory and inhibitory postsynaptic potentials are taken into account explicitly. In addition to a low-activity state and depending on the synaptic efficacy, four different scenarios evolve spontaneously, viz., stripes, spirals, rings, and collective bursts. Our results can be related to experimental observations of drug-induced epilepsy and hallucinations.