THE VERGE - Feb 26 - A man was in pain due to the dissonance caused by his brain trying to control a limb that was no longer there. After six weeks of therapy with augmented reality, he now feels as if his phantom hand is relaxed and open. The method is similar to mirror therapy, in which patients look at a reflection of an existing limb in order to trick the brain into thinking it is moving the lost limb. Researcher Max Ortiz Catalan placed electrodes on the man's stump so he could control his phantom limb on a screen, then developed a racing game that allowed the patient to develop more nuanced movements.
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