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Print publication date: 2004

Print ISBN-13: 9780195176186

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780195176186.001.0001

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Cortical Modules and Magnification in Monkeys

Cortical Modules and Magnification in Monkeys

(p.354) Chapter 20 Cortical Modules and Magnification in Monkeys
Brain and Visual Perception

David H. Hubel

Oxford University Press

This chapter presents a paper entitled “Uniformity of Monkey Striate Cortex: A Parallel Relationship between Field, Size, Scatter, and Magnification Factor”. This paper addresses the question of what determines the three-dimensional shape of any cortical area, and how any one area of the cortex can be so uniform anatomically despite certain marked variations in function as the surface is traversed. In the case of area 17, there are variations especially in field size and magnification. The paper is also concerned with the relationship between orientation columns, ocular dominance columns, the topographic mapping of visual fields onto the cortex, and receptive-field size and scatter. It shows that the cortex seems remarkably uniform physiologically, just as it is anatomically.

Keywords:   magnification factor, area 17, field size, ocular dominance columns, cortex uniformity

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