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Open-access dataset of macaque brain published
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Feedback activity in the visual cortex is necessary for the perception of objects
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A blind man who received a gene from algae in one eye reaches for a notebook with the help of special goggles. J.A. Sahel
et. al.,
Blind man regains some vision, with help from light-sensing algal protein
May. 24, 2021 , 12:20 PM
A blind man who received a gene for a light-sensing algal protein can now see and touch objects with the help of special goggles, researchers report today.
His vision gains are modest he cannot see colors or discern faces or letters. But if the treatment helps other study participants, it may offer advantages over other vision technologies for severely blind people. And for neuroscientists, the result is a milestone: the first published report of using a relatively new technology called optogenetics to treat a disease in people.
Scientists develop retinal implants that could give artificial vision to the blind
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Bionic eye Tech Teaches his ABCs
News Highlights: Bionic eye Tech Teaches his ABCs
Jens Naumann was 17 when an accident flew a piece of metal off a railroad into his left eye. Three years later, a metal strip from a snowmobile clutch destroyed his right eye, plunging him into total darkness. Naumann’s book Search for Paradise tells of his desperate quest back to the light, primarily as the ‘patient alpha’ of biomedical engineer William Dobelle. In the 1970s, Dobelle had shown that electrically stimulating visual areas of the brain (the visual cortex) caused people to perceive spots of light, or ‘phosphenes’.