Parkinson's, depression and the switch that might silence them - Andres Lozano

from TED-Ed · host TED-Ed

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. Learn more about your ad choices. Visit megaphone.fm/adchoices

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This episode was published on May 17, 2026.

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