Abstract
Fibres in the mammalian optic nerve are generally thought to be organised retinotopically. Recording electrophysiologically from the cat optic nerve, we found little evidence to support this notion, which led us to investigate the problem by anatomical methods. We made a localised injection of horseradish peroxidase into the lateral geniculate body of the cat, labelling a small clump of retinal ganglion cells and their axons in the optic nerve. These fibres, emanating from neighbouring cells in the retina, became widely scattered through the optic nerve, indicating that retinotopic order is essentially lacking.
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Horton, J., Greenwood, M. & Hubel, D. Non-retinotopic arrangement of fibres in cat optic nerve. Nature 282, 720–722 (1979). https://doi.org/10.1038/282720a0
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DOI: https://doi.org/10.1038/282720a0
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