Andres Lozano: Parkinson's, depression and the switch that might turn them off | Video on TED.com »

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Deep brain stimulation is becoming very precise. This technique allows surgeons to place electrodes in almost any area of the brain, and turn them up or down -- like a radio dial or thermostat -- to correct dysfunction. A dramatic look at emerging techniques, in which a woman with Parkinson's instantly stops shaking and brain areas eroded by Alzheimer's are brought back to life. (Filmed at TEDxCaltech.) Source Main page (current trends)

More about: Andres Lozano, deep brain stimulation, parkinson

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