A team of neuroscientists has transplanted embryonic stem cells into mice and -- for the first time -- the cells have caused the brain to rewire itself, restoring normal vision.
Scientific American reports that the study, led by Sunil Gandhi of the University of California, Irvine, used cells that were primed to become inhibitory neurons, which tamp down brain activity.
"Prior to this study, 'it was widely doubted that the adult brain would allow these cells to disperse, integrate and reactivate plasticity,' says Melissa Davis, first author of the study. Scientists have been attempting such a feat for years, refining their methods along the way, and the Irvine team finally saw success."
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