Nobel Prize in Physiology or Medicine Honors the Discovery of Light-Gated Ion Channels and the Rise of Optogenetics
The 2026 Nobel Prize in Physiology or Medicine honors Karl Deisseroth, Peter Hegemann and Georg Nagel for the work behind optogenetics, which uses light to switch nerve cells on and off. The method has changed brain research, but its use as a treatment in people has barely begun.
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