August 2009
Volume 9, Issue 8
Free
Vision Sciences Society Annual Meeting Abstract  |   August 2009
Advances in understanding circuits serving colour vision
Author Affiliations
  • Paul R. Martin
    National Vision Research Institute of Australia, and Department of Optometry and Vision Sciences, University of Melbourne, Australia
  • Ulrike Grunert
    National Vision Research Institute of Australia, and Department of Optometry and Vision Sciences, University of Melbourne, Australia
  • Sammy C. S. Lee
    National Vision Research Institute of Australia, and Department of Optometry and Vision Sciences, University of Melbourne, Australia
  • Patricia R. Jusuf
    National Vision Research Institute of Australia, and Department of Optometry and Vision Sciences, University of Melbourne, Australia
Journal of Vision August 2009, Vol.9, 8. doi:10.1167/9.8.8
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      Paul R. Martin, Ulrike Grunert, Sammy C. S. Lee, Patricia R. Jusuf; Advances in understanding circuits serving colour vision. Journal of Vision 2009;9(8):8. doi: 10.1167/9.8.8.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The theory of trichromatic human colour vision was proposed over 200 years ago and the existence of three types of cone photoreceptors was confirmed in the 1980s. I will summarise current views of how the signals from cone photoreceptors are organised into “blue-yellow” and “red-green” pathways in the subcortical visual system. These pathways can be distinguished at the first synapse in the visual pathway, between cone photoreceptors and cone-contacting bipolar cells, and remain segregated in the subcortical afferent visual pathway. I will review evidence from molecular biology, anatomy, and physiology showing that the blue-yellow pathway likely forms a primordial colour vision system common to most diurnal mammals, whereas the red-green pathway is unique to primates and evolved together with high-acuity spatial vision.

Martin, P. R. Grunert, U. Lee, S. C. S. Jusuf, P. R. (2009). Advances in understanding circuits serving colour vision [Abstract]. Journal of Vision, 9(8):8, 8a, http://journalofvision.org/9/8/8/, doi:10.1167/9.8.8. [CrossRef]
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