Nano-Optical Switches To Restore Sight? 51
Roland Piquepaille writes, "Researchers in California are now using light to control biological nanomolecules and proteins. They think it can help them to develop treatments for eye diseases, such as the loss of the light detectors in the retina that is a major cause of blindness. They envision putting some of their nano-photoswitches in the cells of the retina, restoring light sensitivity in people with degenerative blindness such as macular degeneration. It will be a while before this technique emerges from the laboratory. ZDNet has additional references and pictures of what you can do with these photoswitches."
Still have corrupted circuitry..... (Score:3, Insightful)
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It is an interesting question that nobody has yet (unbelievably) addressed adequately. My guess is that we are going to see cortical and subcortical remodeling in any system that has been deafferented much like we see from the learning and memory literature or the epilepsy literature. Wanna job doing some of the research?
If so, would it 'remodel' back after a period of time once input has been restored?
Again, surprisingly, given all
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What if... (Score:2)
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Horace Barlow has done very interesting and readable work on this subject.
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On the other hand, you could design the receptors so they could also take an external signal, letting a computer feed a zoomed image, or a false-color image including IR/UV or other spectra, to the retina and f
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Good point. Who knows? What I _can_ tell you (as a physician) is that most of the "brain" part of the vision process happens in the first months after birth. If you take a newborn and blindfold it for 24 months, it will be blind for life - due to cortical blindness. The eye works, the nerve works, but the part of the occipital lobes that process vision just don't process it properly anymore.
Because of this I doubt very muc
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Ah, but if we introduce all of the "enhancements", such as additional spectral filters or channels into the existing channels as biological additions (or bionic implants), then we can piggyback enhancements on existing circuitry.
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No point in having more visual data than what your brain can process.
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http://en.wikipedia.org/wiki/Visual_acuity [wikipedia.org]
of 20/10 is the maximum possible with a perfect optical apparatus. In real life, only a few lucky individuals have that good eyesight. Most of us a
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This is the reason why optical illusions work on us and we can see objects in clouds and various other issues to why humans hallucinate.
However, if we were to make a "cyborg baseball player" we could use other sensory input directly into the brain. Besides the optical, we could use a camera to calculate the speed, loca
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tag: fuckroland (Score:2)
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Way to get your own article slashdotted Roland (Score:1)
Small interfering RNA [agingeye.net] has been used in human clinical trials [sirna.com] as a very safe way to treat age rela
Uh (Score:1)
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"woah, look at that resolution, and the textures !"
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Well sign me up! (Score:2)
The lack of light receptors in my left retina occurs right in the center of the optical cortex, basically leaving me
Damnit! (Score:1)
the loss is NOT the final cause! restoring them is NOT a solution. it's only a poor man's temporary fix. like duct tape and a plastic plane for your window.
this fix will solve the problem as much as the plastic plane stops anyone from throwing stones on the window!
But who cares when you can make profit with it! Damn hypocrites!