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STUDY: Blind People Can “See” Letters Drawn on their Brains With Electricity

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Scientists sent patterns of electricity coursing across people’s brains, coaxing their brains to see letters that weren’t there.

The experiment worked in both sighted people and blind participants who had lost their sight in adulthood, according to the study, published today (May 14) in the journal Cell. Although this technology remains in its early days, implanted devices could potentially be used in the future to stimulate the brain and somewhat restore people’s vision.

Known as visual prosthetics, the implants were placed on the visual cortex and then stimulated in a pattern to “trace” out shapes that the participants could then “see.” More advanced versions of these implants could work similarly to cochlear implants, which stimulate nerves of the inner ear with electrodes to help enhance the wearer’s hearing ability.

Full Story From Live Science 

1 thought on “STUDY: Blind People Can “See” Letters Drawn on their Brains With Electricity”

  1. This was an amazing article. I don’t know the precise technology would be available for someone like me, in my lifetime, but one can always dream. Til then, I just keep using TTS and audiobooks.

    Thanks for sharing, QSF!

    Reply

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