Nobel Prize in medicine awarded for brain research breakthrough
Summarised from 8 outlets · 9 reports · Updated 5 Oct, 11:24 · Archive
Three scientists have won the 2026 Nobel Prize in Physiology or Medicine for discoveries about light-gated ion channels and optogenetics.
Three scientists have been awarded the 2026 Nobel Prize in Physiology or Medicine for their discoveries concerning light-gated ion channels and optogenetics. Karl Deisseroth is affiliated with Stanford University and the Howard Hughes Medical Institute, Peter Hegemann works at Humboldt University of Berlin, and Georg Nagel is based at the University of Würzburg. They share a prize worth 12 million Swedish kronor.
The award recognises the scientists' work on mechanisms the brain uses to switch on or off the activity of individual nerve cells. This research has led to the development of optogenetics, a neurobiology tool that allows researchers to study brain activity using light.
According to DW News, optogenetics has provided new insights into potential treatments for several conditions. The outlet reports that the technique may offer hope for treating blindness, depression, addiction and dementia, though it notes these remain areas of ongoing investigation rather than established cures.
The three scientists' work has fundamentally changed how neuroscientists investigate the mysteries of the brain, enabling them to understand how nerve cells function and respond to stimulation. Their discoveries have opened new avenues for both basic neuroscience research and potential therapeutic applications.
The Nobel Prize in Physiology or Medicine traditionally opens the annual Nobel Prize announcements. The award recognises achievements that have advanced human knowledge and benefit humanity, as demonstrated by the widespread applicability of optogenetics across multiple research fields and potential medical applications.

How it is being reported
- Nobel medicine prize goes to 3 scientists for research into brain activityNew York Post · 5 Oct, 11:24
- Nobel medicine prize goes to 3 scientists for research into brain activityNPR · 5 Oct, 11:11
- Nobel Prize awarded for showing how nerve cells shape feelingsBBC World · 5 Oct, 11:10
- Nobel prize in medicine awarded to scientists studying mysteries of the brainIndependent World · 5 Oct, 11:08
- Nobel prize in medicine 2026 awarded for research on mysteries of brainThe Guardian · 5 Oct, 10:52
- 🔴 Nobel Prize in Medicine jointly awarded to Karl Deisseroth, Peter Hegemann and Georg NagelFrance 24 · 5 Oct, 10:47
- German and US scientists win Nobel Prize in medicineDW News · 5 Oct, 10:37
- German and US scientists win Nobel Prize in medicine for research on brain activityDW News · 5 Oct, 10:37
- Scientists win Nobel Prize in medicine for work on ‘light-gated ion channels and optogenetics’The Japan Times · 5 Oct, 10:34
In this story: Karl Deisseroth · Peter Hegemann · Georg Nagel · Stanford University · Humboldt University of Berlin · University of Würzburg
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