Abstract
In macaque monkey three distinct pathways relay information from the lateral geniculate nucleus (LGN) to the striate cortex. Two parvocellular pathways contain neurons with chromatically opponent receptive fields: one receives opposed inputs from R cones and G cones; the other receives inputs from B cones opposed by some combined signal from R and G cones. A distinctive feature of the R–G neurons (much the largest group in the LGN) is that they respond well to chromatic patterns of low spatial frequency and achromatic patterns of high spatial frequency. Magnocellular neurons receive inputs from all three classes of cone.
© 1987 Optical Society of America
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