Journal Club

Going from a Retinotopic to a Spatiotopic Coordinate System for Spatial Attention

Duncan E. Astle
Journal of Neuroscience 1 April 2009, 29 (13) 3971-3973; https://doi.org/10.1523/JNEUROSCI.5929-08.2009

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  • Submitted on: (22 April 2009)
    Page navigation anchor for Re: No translation invariance in mammalian vision
    Re: No translation invariance in mammalian vision

    I agree that Figure 1 does not accurately depict the coordinate system in early visual cortex, but it was not intended to. As part of a Journal Club, it was simply designed to explain the logic behind the paper by Golomb et al. to the broader readership of The Journal of Neuroscience. It was not meant as a model of spatial vision, to depict activity within early visual cortex, or to reflect specific neural activity. I apologi...

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    Competing Interests: None declared.
  • Submitted on: (13 April 2009)
    Page navigation anchor for No translation invariance in mammalian vision
    No translation invariance in mammalian vision

    The cartoon shown in Figure 1 is grossly misleading, as the complex-valued log-polar mapping of visual field coordinates to cortical visual coordinates in the early visual cortex precludes the type of translation (shift) invariance invoked in simple Cartesian coordinate systems. The failure of translation invariance in mammalian vision has been know for over thirty years, yet researchers continue to ignore this fact when...

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    Competing Interests: None declared.
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Going from a Retinotopic to a Spatiotopic Coordinate System for Spatial Attention
Duncan E. Astle
Journal of Neuroscience 1 April 2009, 29 (13) 3971-3973; DOI: 10.1523/JNEUROSCI.5929-08.2009
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  • Published on: (22 April 2009)
    Page navigation anchor for Re: No translation invariance in mammalian vision
    Re: No translation invariance in mammalian vision

    I agree that Figure 1 does not accurately depict the coordinate system in early visual cortex, but it was not intended to. As part of a Journal Club, it was simply designed to explain the logic behind the paper by Golomb et al. to the broader readership of The Journal of Neuroscience. It was not meant as a model of spatial vision, to depict activity within early visual cortex, or to reflect specific neural activity. I apologi...

    Show More
    Competing Interests: None declared.
  • Published on: (13 April 2009)
    Page navigation anchor for No translation invariance in mammalian vision
    No translation invariance in mammalian vision

    The cartoon shown in Figure 1 is grossly misleading, as the complex-valued log-polar mapping of visual field coordinates to cortical visual coordinates in the early visual cortex precludes the type of translation (shift) invariance invoked in simple Cartesian coordinate systems. The failure of translation invariance in mammalian vision has been know for over thirty years, yet researchers continue to ignore this fact when...

    Show More
    Competing Interests: None declared.