The Aporia · Nobel prize awarded to researchers who learned how to light up the brain

Nobel prize awarded to researchers who learned how to light up the brain

Read the original at The Globe and Mail ↗

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Semeniuk, I. (2026, October 5). Nobel prize awarded to researchers who learned how to light up the brain. The Globe and Mail. https://www.theglobeandmail.com/canada/science/article-nobel-prize-awarded-to-researchers-who-learned-how-to-light-up-the/

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Quick Summary

Three scientists—Karl Deisseroth from Stanford University, and Peter Hegemann and Georg Nagel from Germany—have been awarded this year's Nobel Prize in Physiology or Medicine for their work developing optogenetics, a technique that uses light to control brain cells. Their research originated with the study of algae proteins sensitive to light, leading to methods where channelrhodopsin genes are inserted into mammalian neurons to manipulate neural activity through light pulses. The prize is shared equally among them and amounts to approximately $1.74 million Canadian dollars.

Written by AI on 2026-10-05, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

On October 5, 2026, the Nobel Prize in Physiology or Medicine was awarded to Karl Deisseroth of Stanford University, Peter Hegemann of Humboldt University in Berlin, and Georg Nagel of the University of Würzburg. The trio received the prize "for their discoveries concerning light-gated ion channels and optogenetics," which allows scientists to control individual nerve cells using light. This method is now widely used globally to study brain activity and understand neurological disorders. Each winner will share a prize of 12 million Swedish kronor (about $1.2 million). The award kicked off Nobel Week, with subsequent prizes for physics, chemistry, literature, peace, and economics to be announced from October 6-12.

Written for “Nobel Prize Brain Research” on 2026-10-31, grounded in this article and the 14 other(s) covering the same event.

Compared with similar articles

How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted

sentences that state something as happening or true

Uncertain

12%

2 of 16 hedged ("reportedly", "may", "according to")

Leaning

not political

takes no side on a contested political question

Publisher signals

52/100

The Globe and Mail's corrections and hedging, across everything collected from it. Not a measure of accuracy.

Outlets on this story

Science

Same framing elsewhere

articles that frame the event the way this one does

Analyzed 2026-10-05 · how these are computed

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Article leaning vs. publisher reliability

Source leaning vs. consistency

Publisher

The Globe and Mail · 1021 article(s) · 35 correction(s) detected

Running correction rate · 35 correction(s)

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Who wrote this

Ivan Semeniuk

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Nothing else under this byline is closely related to this article, so these are simply their most recent.

All 11 articles by Ivan Semeniuk →

Topics

Germany Sweden the Karolinska Institute the Nobel Assembly the United States

Subjects

Hegemann PERSON · 3× Deisseroth PERSON · 2× Germany GPE · 1× Karl Deisseroth PERSON · 1× Peter Hegemann PERSON · 1× Stanford University ORG · 1× Sweden GPE · 1× the Karolinska Institute ORG · 1× the Nobel Assembly ORG · 1× the United States GPE · 1×

Narrative

On Monday, the Nobel Assembly at the Karolinska Institute in Sweden announced this year’s prize has been has awarded to three scientists, one in the United States and two in Germany, for work leading to the development of the field known as optogenetics.

framing: assertive · carried by 1 article(s) · first seen 2026-10-05

2026-10-05 · The Globe and Mail

Nobel prize awarded to researchers who learned how to light up the brain · assertive framing

Claims (16 extracted, 2 hedged)

A discovery that began with algae and turned into a powerful method for investigating the brain is the subject of this year’s Nobel Prize in Physiology or Medicine. asserted

that → begin → Physiology

prize → announce → optogenetics

Karl Deisseroth of Stanford University, Peter Hegemann of Humboldt University of Berlin and Georg Nagel of the University of Würzburg will share equally in the prize, worth approximately $1.74 million Canadian dollars. asserted

Deisseroth → share → prize

The story of this year’s medical Nobel begins with Dr. Hegemann, a biophysicist who in the 1980s became fascinated with the ability of pond algae to sense and respond to sunlight. asserted

who → begin → sunlight

Algae rise or sink depending on the amount of light, and in doing so can regulate photosynthesis. asserted

Algae → rise → photosynthesis

The phenomenon led to the discovery of a class of proteins called channelrhodopsins, which the algae use to turn light into electrical signals. asserted

algae → lead → signals

Dr. Hegemann found the underlying gene associated with the protein in algae, which Dr. Nagel was then able to reproduce in frog eggs to study the protein’s function. asserted

Nagel → find → function

In 2005, Dr. Deisseroth and a colleague in the U.S. showed how a channelrhodopsin gene could be inserted into the DNA of a mammal neuron. uncertain

gene → show → neuron

This created a brain cell that could be turned on or off with a pulse of light. uncertain

that → create → light

With that innovation, optogenetics was born. asserted

optogenetics → bear → innovation

Researchers have now used the technique to understand how the brain is wired, opening a new window into a range of complex neural functions including perception, memory and emotion. asserted

brain → use → perception

The breakthrough technique has since been widely celebrated. asserted

technique → celebrate → ?

Monday’s announcement kicks off a week of Nobel prize reveals, with the recipient or recipients of the physics prize to be named on Tuesday, chemistry on Wednesday, literature on Thursday and the Nobel Peace Prize on Friday. asserted

announcement → kick → Friday

The prizes were first awarded in 1901, with categories stipulated in the will of Swedish businessman and inventor, Alfred Nobel. asserted

categories → award → businessman

A sixth prize for economics, added in 1969, is set to be announced on Oct. 12. asserted

prize → add → Oct.

All the prizes are bestowed annually at a special ceremony held in Stockholm on Dec. 10, the anniversary of Alfred Nobel’s death in 1896. asserted

prizes → bestow → 1896