Parkinson's, depression and the switch that might silence them - Andres Lozano
May 17, 2026•20 min
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Episode description
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. Andres Lozano offers 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.)
Talk by Andres Lozano.
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