Retinal origin of orientation maps in visual cortex

  title={Retinal origin of orientation maps in visual cortex},
  author={Se-Bum Paik and Dario L. Ringach},
  booktitle={Nature Neuroscience},
The orientation map is a hallmark of primary visual cortex in higher mammals. It is not yet known how orientation maps develop, what function they have in visual processing and why some species lack them. Here we advance the notion that quasi-periodic orientation maps are established by moiré interference of regularly spaced ON- and OFF-center retinal ganglion cell mosaics. A key prediction of the theory is that the centers of iso-orientation domains must be arranged in a hexagonal lattice on… CONTINUE READING
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