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Optic

optic

Of or pertaining to the eye.

Origin: Gr. Optikos = of or for sight


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What are some reasons that prove adaptations are not designe

... nerve cells - i.e., light has to pass through the nerve cells before striking the rods and cones. Also, those nerves have to leave the eye via the optic nerve, which passes through the retina, leaving a blind spot in each eye. The tissue from which cephalopod eyes is derived is the skin. So, the ...

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by thoffnagle
Thu Jan 31, 2013 1:04 am
 
Forum: Evolution
Topic: What are some reasons that prove adaptations are not designe
Replies: 12
Views: 6393

Re:

Almost everything your brain does in the optic area is process the almost-raw images. Yes, obviously. Your brain starts with a bunch of signals on your optic nerve (which have only been minimally processed), but ends up with highly processed ...

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by TheSunshineEmperor
Thu May 24, 2012 6:46 pm
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 9013

Evolutionary advantage of seeing 'upright'

Almost everything your brain does in the optic area is process the almost-raw images. Just do a blind-spot test and you'll see that it reconstructs - and constructs.

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by Darby
Thu May 24, 2012 3:03 am
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 9013

Re: Evolutionary advantage of seeing 'upright'

... than a box brownie? There is no "image." Your brain isn't like a television. It directly processes the signals coming in from your optic nerve - at no point does it try to reconstruct what your retina is seeing. If you're interested in this, the vertebrate visual system is one of ...

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by TheSunshineEmperor
Wed May 23, 2012 5:03 am
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 9013

Re: Evolutionary advantage of seeing 'upright'

... has righted itself. That's something you could theoretically test for - does their brain rewire to invert the already-inverted image from the optic nerve, or does that part of their brain that tells them how to move rewire itself?

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by Rap
Tue May 22, 2012 3:00 pm
 
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 9013
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