Chapter

The Striate Cortex

Peter H. Schiller and Edward J. Tehovnik

in Vision and the Visual System

Published in print August 2015 | ISBN: 9780199936533
Published online September 2015 | e-ISBN: 9780190258054 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199936533.003.0005
The Striate Cortex

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The input to the striate cortex (area V1) from the lateral geniculate nucleus is transformed to create orientation, direction, velocity, and spatial frequency selective neurons. Many area V1 cells receive a convergent input from the two eyes that contributes to stereoscopic depth perception. Feedback circuits from higher cortical areas modulate the responses of area V1 cells for higher level visual analysis. This chapter has six subsections. Section A discusses the general anatomy of the striate cortex. Section B deals with the functional properties of single cells in area V1. Section C examines the cytoarchitecture of the area. Section D examines the neural mechanisms that give rise to orientation and direction selectivities in area V1. Section E discusses feedback circuits to area V1. Section F provides a summary of the chapter.

Keywords: striate cortex; area V1; single-cell recording; cytoarchitecture; orientation selectivity; direction selectivity; cytochrome oxidase; hemifield

Chapter.  9241 words.  Illustrated.

Subjects: Neuroscience

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