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Jay Neitz
Jay Neitz is professor of ophthalmology and a color vision researcher at the University of Washington in Seattle, Washington in the United States.
== Cone cells and the numbers of colors an organism can see ==
According to Jay Neitz, each of the three standard color-detecting cone cells in the retina – blue, green and red -- can pick up about 100 different gradations of color. But, he says, the brain can combine those variations exponentially, multiplying each new variety of cone by 100, so that the average human trichromat can distinguish about one million different hues.〔"Color Vision:Almost Reason for Having Eyes" by Jay Neitz, Joseph Carroll, and Maureen Neitz Optics & Photonics News January 2001
1047-6938/01/01/0026/8- Optical Society of America〕
This means that a monochromat can see 100 different colors, a dichromat can see 10,000 different colors, a trichromat can see 1,000,000 different colors, a tetrachromat can see 100,000,000 different colors, and a pentachromat can see 10,000,000,000 different colors.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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