Dave
David L. McNeely, Ph.D., Professor of Biology
Langston University; P.O. Box 1500
Langston, OK 73050; email: dlmcneely-in-lunet.edu
telephone: (405) 466-6025; fax: 405) 466-3307
home page http://www.lunet.edu/mcneely/index.htm
"Where are we going?" "I don't know, are we there yet?"
----- Original Message -----
From: Bob Bock <bockhouse-in-earthlink.net>
Date: Friday, December 16, 2005 8:31 am
Subject: NANFA-L-- Way off topic Color vision
> Just an anecdote about something that has always fascinated me.
> My wife, three sons and I were on a camping trip once. It was
> night, and a Luna moth landed near our lantern. I said, "That's
> funny--in every picture I've ever seen, these things are light
> green. This one's white." My wife said, "What are you talking
> about? It is green." My oldest son also said it was white,
> while the twins said it was green.
>
> -----Original Message-----
> >From: Jerry Baker <nanfa-in-bakerweb.biz>
> >Sent: Dec 16, 2005 1:00 AM
> >To: nanfa-l-in-nanfa.org
> >Subject: Re: NANFA-L-- color vision testing
> >
> >Mysteryman wrote:
> >> After that the test taker moves on to the other samples in the
> series
> >> which use different base colors like orange & blue, tan &
> cream,
> >> mushroom & taupe, maroon & vermillion, yellow & red, red &
> green, purple
> >> & green, and so forth; there are a dozen of these series. Some
> measure
> >> differences in very dissimilar colors, and some measure acuity
> within a
> >> more narrow spectrum, like blue to purple.
> >
> >The funny thing is that colorblind people are more attuned to
> subtle
> >differences in shade. It's precisely the reason that the
> principle
> >behind military camouflage is a mystery to colorblind kids (they
> can't
> >figure out why everyone says it makes people hard to see when it
> does no
> >such thing). So if you want someone who can spot the difference
> between
> >two slightly different shades of the same color, then you want a
> >colorblind person. If you want to detect actual shifts in color,
> then
> >you don't want a colorblind person.
> >/-----------------------------------------------------------------
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> / This is the discussion list of the North American Native Fishes
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> / visit http://www.nanfa.org Please make sure all posts to nanfa-l are
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/ This is the discussion list of the North American Native Fishes
/ Association (NANFA). Comments made on this list do not necessarily
/ reflect the beliefs or goals of NANFA. For more information about NANFA,
/ visit http://www.nanfa.org Please make sure all posts to nanfa-l are
/ consistent with the guidelines as per
/ http://www.nanfa.org/guidelines.shtml To subscribe, unsubscribe, or get
/ help, visit the NANFA email list home page and archive at
/ http://www.nanfa.org/email.shtml