Abstract
The lateral geniculate nucleus (LGN), a major target of the optic nerve in mammals, is a laminated structure, although the pattern of lamination varies widely among different species. It has long been known that one function of the lamination is to segregate input from the two eyes. Many animals, however, have more than one layer innervated by each eye; the functional significance of these duplications has been only partially elucidated. In the mink, the principal layers innervated by the contralateral eye (layer A) and the ipsilateral eye (layer A1) are each split into two adjacent leaflets1. We report here that the anterior leaflet of each pair contains ON-centre neurones and the posterior leaflets OFF-centre neurones.
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Le Vay, S., McConnell, S. ON and OFF layers in the lateral geniculate nucleus of the mink. Nature 300, 350–351 (1982). https://doi.org/10.1038/300350a0
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DOI: https://doi.org/10.1038/300350a0
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