Scientists discover anatomical changes in the brains of patients with restored sight

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Scientists discover anatomical changes in the brains of patients with restored sight MIT PNASNews

, which reveals the extent to which water is forced to move in one direction over another.

"If you see increasing fractional anisotropy and decreasing mean diffusivity, then you can infer that what's happening is that the nerve fibers are growing in volume and they're getting more organized in terms of their alignment," Sinha says."When we look at the white matter of the brain, then we see precisely these kinds of changes in some of the white matter bundles."

, you also see increasing specialization, as a function of visual experience, similar to what happens in typical development," Gilad-Gutnick says. "The notion that plasticity is a time-limited resource and that past a certain window we can't expect much improvement, that does seem to hold true for low-level visual function like acuity," Sinha says.

 

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