The 2026 Nobel Prize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel for discoveries concerning light-gated ion channels and optogenetics. The research illuminates how the brain switches individual nerve cells on or off, with potential implications for treating blindness, depression, addiction and dementia. The three laureates will share a 12 million Swedish kronor prize.
US psychiatrist and neurologist Karl Deisseroth and his German colleagues Peter Hegemann and Georg Nagel have been awarded for their work.
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