Re: Color constancy

[Herbert H Gottlieb <herbgottlieb@JUNO.COM>]

On Wed, 01 Nov 2000 17:41:16 -0500 Ludwik Kowalski
<KowalskiL@MAIL.MONTCLAIR.EDU> writes:
> Larry Smith wrote:
>
> > But you haven't made a case for it varying from person to person
> > (assuming they have the same chemicals in their retina).
> >
> > Why would you perceive a different color than I do under identical
> > circumstances?
>
> Suppose the chemistry in your retina is dramatically different
> from the chemistry in my retina, when we are looking at grass.
> This would not prevent us from using the same word, green,
> while referring to sensations.
> Ludwik Kowalski

But when I look out the window at my grass now it appears kinda yellow
brown.
However, it looked green a few months ago in the spring when I was
younger.
Does color perception change with age?

Herb Gottlieb from New York City
(Where the green leaves seem to be turning to a brown color too)