And you can't know what other people are experiencing or whether they
are experiencing anything.?? But you can test whether people can
distinguish yellow from blue and red from green. And in fact you claimed
that people could be red/green colorblind (even though you don't know
what they're experiencing) but they couldn't be yellow/blue colorblind.
But exactly the same kind of test works for both.
Brent
On 4/27/2019 12:27 AM, 'Cosmin Visan' via Everything List wrote:
You can't know what those people are seeing.
On Friday, 26 April 2019 23:14:56 UTC+3, Brent wrote:
On 4/26/2019 10:12 AM, 'Cosmin Visan' via Everything List wrote:
> And what I argue for in the book is that if you are to see only 2
> colors, those 2 colors will always be yellow and blue, because
yellow
> will signify the very seeing of a color, while blue would be
there to
> contrast maximally with yellow.
https://nei.nih.gov/health/color_blindness/facts_about
Blue-yellow
<https://nei.nih.gov/health/color_blindness/facts_aboutBlue-yellow>
color blindness is rarer than red-green color blindness.
Blue-cone (tritan) photopigments are either missing or have limited
function.
Tritanomaly: People with tritanomaly have functionally limited
blue cone
cells. Blue appears greener and it can be difficult to tell yellow
and
red from pink. Tritanomaly is extremely rare. It is an autosomal
dominant disorder affecting males and females equally.
Tritanopia: People with tritanopia, also known as blue-yellow color
blindness, lack blue cone cells. Blue appears green and yellow
appears
violet or light grey. Tritanopia is an extremely rare autosomal
recessive disorder affecting males and females equally.
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