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Signal from optical imaging (top) matches the signal from an electrode array (bottom). Courtesy of Daniel Palanker, Ph.D., Stanford University

New technology can see nerve cells fire

When nerves fire, there’s a change in the electrical potential (trans-membrane voltage) in the cell. Current techniques for monitoring nerve activity are invasive –...
An artist’s rendering incorporates the images of the Müller glia-derived rod photoreceptors. These photoreceptors were structurally no different from real photoreceptors and they became integrated within the circuitry of the visual pathway, from the retina to the brain. Courtesy of Bo Chen, Ph.D.

New method that allows a blind to see again

Scientists financed by the National Eye Institute (NEI) have switched congenital visual blindness in mice by changing supportive cells in the retina called Müller...

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