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  Psychophysical and physiological responses to gratings with luminance and chromatic components of different spatial frequencies.

Cooper, B., Sun, H., & Lee, B. B. (2012). Psychophysical and physiological responses to gratings with luminance and chromatic components of different spatial frequencies. Journal of the Optical Society of America A-Optics Image Science and Vision, 29(2), A314-A323. doi:10.1364/JOSAA.29.00A314.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-4FC4-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-6954-6
Genre: Journal Article

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 Creators:
Cooper, B., Author
Sun, H., Author
Lee, B. B.1, Author              
Affiliations:
1Emeritus Group of Membrane Biophysics, MPI for Biophysical Chemistry, Max Planck Society, ou_1571137              

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 Abstract: Gratings that contain luminance and chromatic components of different spatial frequencies were used to study the segregation of signals in luminance and chromatic pathways. Psychophysical detection and discrimination thresholds to these compound gratings, with luminance and chromatic components of the one either half or double the spatial frequency of the other, were measured in human observers. Spatial frequency tuning curves for detection of compound gratings followed the envelope of those for luminance and chromatic gratings. Different grating types were discriminable at detection threshold. Fourier analysis of physiological responses of macaque retinal ganglion cells to compound waveforms showed chromatic information to be restricted to the parvocellular pathway and luminance information to the magnocellular pathway. Taken together, the human psychophysical and macaque physiological data support the strict segregation of luminance and chromatic information in independent channels, with the magnocellular and parvocellular pathways, respectively, serving as likely the physiological substrates.

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Language(s): eng - English
 Dates: 2012-02
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1364/JOSAA.29.00A314
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Title: Journal of the Optical Society of America A-Optics Image Science and Vision
  Other : J. Opt. Soc. Am. A-Opt. Image Sci. Vis.
Source Genre: Journal
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Publ. Info: Washington, D.C. : The Society
Pages: - Volume / Issue: 29 (2) Sequence Number: - Start / End Page: A314 - A323 Identifier: ISSN: 0740-3232
CoNE: /journals/resource/954925538151