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  A simple model of human foveal ganglion cell responses to hyperacuity stimuli

Wachtler, T., Wehrhahn, C., & Lee, B. (1996). A simple model of human foveal ganglion cell responses to hyperacuity stimuli. Journal of Computational Neuroscience, 3(1), 73-82. doi:10.1007/BF00158338.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-EBAA-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-E72A-8
Genre: Journal Article

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 Creators:
Wachtler, T1, 2, Author              
Wehrhahn, C1, 2, Author              
Lee, BB, Author
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
2Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497800              

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 Abstract: We developed a physiologically plausible model of the first steps of spatial visual information processing in the fovea of the human retina. With the predictions of this model we could support the hypothesis that, for moderate contrasts (less than or equal to 40), hyperacuity is mediated by the magnocellular (MC-) pathway. Despite the lower sampling density in the MC pathway, as compared to the parvocellular (PC-) pathway, the information that is transferred by the MC ganglion cells is sufficient to achieve thresholds comparable to those of human subjects in psychophysical tasks. This is a result of the much higher signal-to-noise ratio of the MC pathway cell signals. The PC pathway cells do not transfer enough information for hyperacuity thresholds.

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 Dates: 1996-03
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/BF00158338
BibTex Citekey: 545
 Degree: -

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Title: Journal of Computational Neuroscience
Source Genre: Journal
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Publ. Info: Boston : Kluwer Academic Publishers
Pages: - Volume / Issue: 3 (1) Sequence Number: - Start / End Page: 73 - 82 Identifier: ISSN: 0929-5313
CoNE: https://pure.mpg.de/cone/journals/resource/954925568787