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From: pindor@gpu.utcc.utoronto.ca (Andrzej Pindor)
Subject: Re: Qualia (was Re: Minsky's new article)
Message-ID: <CzsHus.Bny@gpu.utcc.utoronto.ca>
Organization: UTCC Public Access
References: <19941116.150347.522@almaden.ibm.com> <3alr5q$g1s@crl2.crl.com> <PJG.94Nov21161240@tesla.esl.com> <3b1lik$8fg@urmel.informatik.rwth-aachen.de>
Date: Thu, 24 Nov 1994 20:49:40 GMT
Lines: 34
Xref: glinda.oz.cs.cmu.edu comp.ai.philosophy:22601 comp.ai:25471 comp.robotics:15649

In article <3b1lik$8fg@urmel.informatik.rwth-aachen.de>,
Rainer Dickermann <rainerd@tschil.informatik.rwth-aachen.de> wrote:
...........
>hmm... really, the retina cells do not 'just' see only red, green and
>blue photons, but a spectrum of photons in the ranges of red, green and
>blue. So, yellow photons stimulate the red and green cells because they
>overlap in their range.
>It looks a bit like that:
>
>Stimulation of RGB retina cells(Y)
>
>Y               R        G        B
>Y	      R   R    G   G    B   B
>Y	    R       RG       GB       B
>Y         R        G  R     B  G        B
>Y       R        G     R  B      G        B
>OXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX -> Freq.
>               ^    ^   ^         ^                 Photons(X)
>              red  yellow        blue
>                        green
>
However, this does not help you in the inverse problem - seeing yellow "qualia"
when only red and green light is present (this is how you get yellow on your
computer screen).

>Rainer
>


-- 
Andrzej Pindor                        The foolish reject what they see and 
University of Toronto                 not what they think; the wise reject
Instructional and Research Computing  what they think and not what they see.
pindor@gpu.utcc.utoronto.ca                           Huang Po
