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    A dim view of M-cone onsets

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    Publication date
    2016-03
    Author
    Parry, Neil R.A.
    McKeefry, Declan J.
    Kremers, Jan
    Murray, I.J.
    Keyword
    Isolated L- and M-cone pulses; Brightness (Perceived luminance); Silent substitutions
    Peer-Reviewed
    yes
    
    Metadata
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    Abstract
    We investigated the brightness (i.e., perceived luminance) of isolated L- and M-cone pulses to seek a perceptual correlate of our previous reports that M-on electroretinograms resemble L-off responses, implying the operation of post-receptoral opponent processing. Using triple silent substitutions, cone increments were generated in a 4-primary ganzfeld, masked by random positive or negative luminance bias. The results show that M-cone increments decrease in brightness, while L-cone increments increase. These differences became smaller as field size reduced; this was not eccentricity or area dependent. We speculate about early retinal input into brightness perception.
    URI
    http://hdl.handle.net/10454/10244
    Version
    No full-text in the repository
    Citation
    Parry NRA, McKeefry D, Kremers J, Murray, IJ (2016) A dim view of M-cone onsets. Journal of the Optical Society of America A. 33(3): A207-213.
    Link to publisher’s version
    http://dx.doi.org/10.1364/JOSAA.33.00A207
    Type
    Article
    Collections
    Life Sciences Publications

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