Paralyzed mouse legs move with burst of light

Neural patch turns on muscles when blue light shines

By Laura Sanders, 13:24 PM April 3, 2014

Scientists can now control muscles with light. By combining advances from several fields, researchers created neurons that could be activated with light and implanted the cells onto damaged nerves in mice. A brief flash of blue light spurred formerly silent mouse muscles to life, scientists report in the April 4 Science.

The results demonstrate how the disparate fields of stem cell biology and optogenetics, which uses light to activate specially designed cells, might form the basis of new ther...

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