By injecting nanoparticles into the brain of mice, and exposing them to an external magnetic fields, it’s possible to stimulate brain neurons, according to a study published in Science today. This wireless deep brain stimulation technique could help reduce tremors in people who have neurological illnesses like Parkinson’s disease. Deep brain stimulation isn’t new — but this technique sure is. People with Parkinson’s disease saw a reduction in the amount of tremors they experienced, for instance.
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