Chapter

What Is Fed Back?

Jean Bullier

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/9780195148220.003.0006

Series: Computational Neuroscience Series

 What Is Fed Back?

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The 21st century brought about a shift in the types of models used to explain the processing of sensory information by the cerebral cortex. Until now, these models have overwhelmingly emphasized the feedforward direction for the transfer of sensory information, and it is only recently that a more balanced view of the cortical network has emerged. This chapter summarizes this evolution and focuses on the question of the role of feedback connections in the processing of sensory information. It uses the visual system as a model since most of what is known concerning the processing of sensory inputs by the brain comes from studying that system.

Keywords: sensory information; cerebral cortex; feedback connection; information processing; visual system; sensory inputs

Chapter.  12861 words.  Illustrated.

Subjects: Neuroscience

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