‏Neurosurgeon Andres Lozano gives an amazing TED talk on deep brain stimulation for correcting the symptoms of Parkinson’s, Alzheimer’s, dystonia and depression. (15 mins 35 secs).

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.)

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