Thomas Young and Colour Blindness (extra footage)
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tick-tock......
Let me see....
Do I cut the red wire... or the green one? hmmm or maybe....
1 year ago 9
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its not just simply 10% of males are colorblindness, but have at least some degree of colorblindness. i can see all colors, but i'm able to pass tests that prove if you are colorblind, so i'm only partially colorblind. i do tend to have issues with seeing certain colors correctly, mainly purples.
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All Comments (17)
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If I remember correctly 3% of males has daltonism, which is red-green colorblindness. In females this number is actually at least 10 times lower if I'm correct.
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simply fascinating!
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Hrm... for some reason I always think of Notts Trent as a polytechnic even though it does award degrees.
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loving it, great stuff
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@chrisofnottingham: Yes. In fact the three receptors are violet, green and green-yellow. That means that to see red through yellow our brain has to compare the difference in signal between the G and YG to the absolute value of one of them (probably YG), a fairly sophisticated computation that happens over the entire visual field at some astounding rate, or more likely continuously in an analog fashion. Essentially, R = (YG - G) / YG .
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@anonysquirrel The red one is at the top, green at the bottom!
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What I find odd is that the frequency response curves of the actual receptors in the human eye don't appear to match the primary RGB colors very well at all.
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Im male and blue-green colourblind, but only blue greens that are close(similiar) to each other in hue/shade (not physical proximity lol).
When I lived in england, my wife used to get mad at me for not being able to see and appreciate those little blue flowers that come out en masse in springtime at the borde hill (?) gardens. just looked like a sea of emerald green grass to me lol. used to infuriate her tho...
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Can you distinguish red from green, say at a traffic light?
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Make sure you check out the main Young video (if you are not a FavScientist subscriber... which you should be)
Link is in the description...
nottinghamscience 1 year ago