2026 Nobel Prize in Medicine awarded for brain research tool called optogenetics Karl Deisseroth, Peter Hegemann, and Georg Nagel found way to use light to turn neurons on and off with precision

2026 Nobel Prize in Medicine awarded for brain research tool called optogenetics Karl Deisseroth, Peter Hegemann, and Georg Nagel found way to use light to turn neurons on and off with precision By Annalisa MerelliOct. 5, 2026 Contributing Writer https://www.statnews.com/2026/10/05/nobel-prize-medicine-2026-winner-deisseroth-hegemann-nagel/