2026 Nobel Prize in Physiology or Medicine: Deisseroth, Hegemann and Nagel — Switching the Brain with Light
NOBEL PRIZE IN PHYSIOLOGY OR MEDICINE 2026 2026 Nobel Prize in Physiology or Medicine: Karl Deisseroth, Peter Hegemann and Georg Nagel Three scientists who opened up optogenetics, switching brain cells on and off with a beam of light. What did the three win the Nobel Prize for? They share the 2026 Nobel Prize in Physiology or Medicine for their discoveries concerning light-gated ion channels and optogenetics. The prize at a glance Laureate Nationality Affiliation Key contribution Karl Deisseroth USA Stanford University, Howard Hughes Medical Institute Developed optogenetics, controlling neurons with light using channelrhodopsin Peter Hegemann Germany Humboldt University of Berlin Discovered channelrhodopsin, the light-sensing protein of green algae Georg Nagel Germany University of Würzburg Showed that channelrhodopsin is an ion channel opened by light Prize motivation For their discoveries concerning light-gated ion channels and optogenetics Announced October 5, 2026, Nobel...