Nobel Prize in Physiology or Medicine Is Awarded for Discoveries in Neuroscience NYT - Home Page By: Carolyn Y. Johnson and Leo Sands 5 October 2026 at 11:56 Karl Deisseroth, Peter Hegemann and Georg Nagel were recognized for their work on light-gated ion channels and optogenetics, a technique that uses tiny lights to activate neurons in the brain. © Jonathan Nackstrand/Agence France-Presse — Getty ImagesThomas Perlmann, the secretary general of the Nobel Committee, speaking at the Karolinska Institute in Stockholm, Sweden, on Monday.
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