Simulation of parvocellular demultiplexing

Eugenio Martinez-Uriegas

doi:10.1117/12.44365

1 June 1991 Simulation of parvocellular demultiplexing

Eugenio Martinez-Uriegas

Proceedings Volume 1453, Human Vision, Visual Processing, and Digital Display II; (1991) https://doi.org/10.1117/12.44365
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

A massively parallel wiring of chromatic and achromatic receptive fields, of the type presumably present at some level in the visual cortex, is simulated starting from pseudo-random L/M cone lattices. It is shown that there is considerable variability in the relative L/M cone input to achromatic processes but there is also a intrinsic invariant in the chromatic decoding. With the usual caution required to link simple models derived from first principles to the behavior of complex biological systems, the results are useful to understand, on one hand, the variability of luminous spectral sensitivity for achromatic visual tasks under different spatial conditions, and on the other, the observed stability of unique yellow across individuals with normal color vision who nevertheless have very different proportion of L to M cones. The results are also consistent with those given by non-random non-massive demultiplexing examples previously reported.

Citation Download Citation

Eugenio Martinez-Uriegas "Simulation of parvocellular demultiplexing", Proc. SPIE 1453, Human Vision, Visual Processing, and Digital Display II, (1 June 1991); https://doi.org/10.1117/12.44365

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