ArticleFrontiers in neuroanatomy2022
How We See Black and White: The Role of Midget Ganglion Cells.
Article in Frontiers in neuroanatomy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Diffusion Optics Technology (DOT): A Myopia Control Spectacle Lens Based on Contrast Theory.Translational vision science & technology · 2024Review
- A circuit motif for color in the human foveal retina.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- From cones to color vision: a neurobiological model that explains the unique hues.Journal of the Optical Society of America. A, Optics, image science, and vision · 2023Article
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Authors and funding
3 authors.
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Abstract
According to classical opponent color theory, hue sensations are mediated by spectrally opponent neurons that are excited by some wavelengths of light and inhibited by others, while black-and-white sensations are mediated by spectrally non-opponent neurons that respond with the same sign to all wavelengths. However, careful consideration of the morphology and physiology of spectrally opponent L vs. M midget retinal ganglion cells (RGCs) in the primate retina indicates that they are ideally suited to mediate black-and-white sensations and poorly suited to mediate color. Here we present a computational model that demonstrates how the cortex could use unsupervised learning to efficiently separate the signals from L vs. M midget RGCs into distinct signals for black and white based only correlation of activity over time. The model also reveals why it is unlikely that these same ganglion cells could simultaneously mediate our perception of red and green, and shows how, in theory, a separate small population of midget RGCs with input from S, M, and L cones would be ideally suited to mediating hue perception.
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