Incepting Sight? This Brain Implant Lets Blind Patients “See” Letters

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According to (This article and its images were originally posted on Singularity Hub November 26, 2018 at 10:01AM.)

For most of us, “eyes” are synonymous with “sight”: whatever our eyes capture, we perceive.

Yet under the hood, eyes are only the first step in an informational relay that transmutes photons into understanding. Light-sensitive cells in the eyes capture our world in exquisite detail, converting photon signals into electrical ones. As these electrical pulses travel along the optic nerve into the visual cortex, the signals are transformed into increasingly complex percepts—from “seeing” lines to shapes to parts of an object to a full scene.

In a sense, our eyes are sophisticated cameras; the brain’s visual cortex runs the software that tells us what we’re seeing. Damage the cortex, and a person no longer thinks he “sees” the world, even with perfectly functioning eyes.

What about the reverse? If you directly program a scene into the visual cortex by electrically stimulating its neurons, are our biological cameras even necessary?


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This article and images were originally posted on [Singularity Hub] November 26, 2018 at 10:01AM. Credit to the original author and Singularity Hub | ESIST.T>G>S Recommended Articles Of The Day.





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