Nobel Prize in Medicine 2026: Optogenetics

OCTOBER 6, 2026

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Nobel Prize in Physiology or Medicine 2026 was awarded to scientists Karl Deisseroth (top), Peter Hegemann (left), and Georg Nagel (right).

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The three were awarded for "their discoveries concerning light-gated ion channels and optogenetics".

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The Nobel Assembly awarded the three scientists for discoveries that enabled researchers to control nerve cells using light (optogenetics), transforming the study of the brain.

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“Optogenetics provides opportunities for mapping the brain in a way that we could once only dream of,” said Per Svenningsson, Chair of the Nobel Committee for Physiology or Medicine.

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Using optogenetics, researchers have been able to reveal neural circuits governing specific memories, feelings, and behaviours relevant for neurological and psychiatric disorders.

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In clinical medicine, researchers are using the method in attempts to restore sight in people with visual impairment, the Nobel Assembly said in a press release.

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“Optogenetics has fundamentally altered our understanding of the brain. Every day brings new discoveries, helping to solve one of humanity’s great mysteries: how our incredible brain works,” the committee said.

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