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Comment Making brain neurons light-sensitive (Score 4, Informative) 354

Another strategy was just invented: if you lost your photoreceptors, just make the other neurons in the retina or brain sensitive to light. A group just managed this today, for the first time, in mice. Blind mice, who had been treated with viruses that cause the targeted cells to express light-activated channels, were able to regain transmission of information about the external world to cortex. This was recently reported in a blog, and in other media.

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