[ExI] [Extropolis] red

William Flynn Wallace foozler83 at gmail.com
Sat Jan 21 18:31:16 UTC 2023

I guess a mutation in the cones would be out, since that would affect both
eyes, eh?

bill w

On Sat, Jan 21, 2023 at 11:24 AM Ben Zaiboc via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> On 21/01/2023 13:28, Brent wrote:
> Yes exactly.
> The conscious visual knowledge rendered from one eye uses glutamate, and
> the knowledge rendered from the other eye is rendered with something
> slightly different.
> On Fri, Jan 20, 2023 at 3:17 PM William Flynn Wallace <foozler83 at gmail.com>
> wrote:
>> Also from Jong:  "Suzanne Kane studies vision in peacocks; she has a
>> slight difference in her color vision in each eye, so that one gives her a
>> slightly reddish tint."
>> Explain that with glutamate, will you?   bill w
> I think conventional, established neuroscience can probably do that.
> Of course, the 'with glutamate' part is a bit of a red herring, as we know
> that any other neurotransmitter would do just as well, being simply a way
> for one neuron to give its neighbour neurons a nudge.
> (Actually, thinking about it, it's probably not a neurological thing at
> all. The most likely explanation is going to be that the cornea or lens of
> one eye is acting as a colour filter).
> Back to William of Ockham!
> Ben
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