DO X AND Y RETINAL GANGLION CELLS SIGNAL CONTRAST? .

John B Troy; C. Enroth-Cugell; J. G. Robson

DO X AND Y RETINAL GANGLION CELLS SIGNAL CONTRAST? .

John B Troy^*, C. Enroth-Cugell, J. G. Robson

^*Corresponding author for this work

Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

A major task for the peripheral parts of the visual system is to send to more central stations information about images whose luminance can vary over a vast range. In addition, this task must be performed within channels of rather limited capacity. It is reported that for the visual system of cats, at least, this problem seems to be solved by transmitting information about the contrast between parts of an image rather than about the absolute luminances of its parts. Results are presented that show that X and Y retinal ganglion cells respond systematically to contrast under a range of levels of retinal illumination but are relatively unresponsive to changes in luminance.

Original language	English (US)
Title of host publication	Unknown Host Publication Title
Publisher	IEEE
Pages	1070-1074
Number of pages	5
State	Published - Dec 1 1987

ASJC Scopus subject areas

General Engineering

Cite this

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abstract = "A major task for the peripheral parts of the visual system is to send to more central stations information about images whose luminance can vary over a vast range. In addition, this task must be performed within channels of rather limited capacity. It is reported that for the visual system of cats, at least, this problem seems to be solved by transmitting information about the contrast between parts of an image rather than about the absolute luminances of its parts. Results are presented that show that X and Y retinal ganglion cells respond systematically to contrast under a range of levels of retinal illumination but are relatively unresponsive to changes in luminance.",

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N2 - A major task for the peripheral parts of the visual system is to send to more central stations information about images whose luminance can vary over a vast range. In addition, this task must be performed within channels of rather limited capacity. It is reported that for the visual system of cats, at least, this problem seems to be solved by transmitting information about the contrast between parts of an image rather than about the absolute luminances of its parts. Results are presented that show that X and Y retinal ganglion cells respond systematically to contrast under a range of levels of retinal illumination but are relatively unresponsive to changes in luminance.

AB - A major task for the peripheral parts of the visual system is to send to more central stations information about images whose luminance can vary over a vast range. In addition, this task must be performed within channels of rather limited capacity. It is reported that for the visual system of cats, at least, this problem seems to be solved by transmitting information about the contrast between parts of an image rather than about the absolute luminances of its parts. Results are presented that show that X and Y retinal ganglion cells respond systematically to contrast under a range of levels of retinal illumination but are relatively unresponsive to changes in luminance.

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DO X AND Y RETINAL GANGLION CELLS SIGNAL CONTRAST? .

Abstract

ASJC Scopus subject areas

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