Ohhh! You're talking about color vision. I thought it was something out of
an H. P. Lovecraft novel.
Charlie ;^)
On Mon, Oct 29, 2018 at 1:35 PM ChrisB <ftog@xxxxxxxxxxxxxx> wrote:
> I heard about tetrachromacy on the radio this afternoon as I drove home
> from work – very interesting. At first I thought that some members of the
> List might be endowed with such as “super power” but it occurs only in
> women and I’m not sure if Tina would lay claim to such a colour
> perceptiveness. There again, those with this capability are normally
> unaware of it, it seems.
>
> https://en.wikipedia.org/wiki/Tetrachromacy <
> https://en.wikipedia.org/wiki/Tetrachromacy>
>
> It’s interesting to me because I lecture on vision as part of my job, and
> to day I’ve spoken only about rods and cones (and photo-sensitive ganglion
> cells), never about the 3-colour properties of most people’s cone cells.
> And now I know that there are people with 4-colour cells.
>
> Chris
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