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Parkinson's, depression and the switch that might turn them off

Andres Lozano  TEDxCaltech  January 2013
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 …
This talk was presented to a local audience at TEDxCaltech, an independent event. TED’s editors chose to feature it for you. 
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