Chapter

What Is the Neural Code?

C. van Vreeswijk

in 23 Problems in Systems Neuroscience

Published in print January 2006 | ISBN: 9780195148220
Published online May 2009 | e-ISBN: 9780199864676 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195148220.003.0008

Series: Computational Neuroscience Series

 What Is the Neural Code?

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This chapter addresses the question: What is the code which areas in the cortex use to exchange information? The chapter presents a model of a cortical network that is capable of reacting rapidly to changes in the stimuli and shows that such a model has as a byproduct highly irregular activity of the individual cells. It argues that neurons in the brain do indeed communicate through a rate code. While this may be the rule, there are undoubtedly exceptions. It seems quite clear for example that the primary auditory cortex does not use a rate code. This may be because a noisy rate code is not well suited to encode naturally occurring auditory signals.

Keywords: neural code; neurons; brain; cortical network; stimuli; rate code

Chapter.  8107 words.  Illustrated.

Subjects: Neuroscience

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