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Nobel Prize in Physiology or Medicine Awarded for Optogenetics, a Technique That Controls Brain Cells With Light

The 2026 Nobel Prize in Physiology or Medicine honors the development of optogenetics, a method that uses light to switch brain cells on and off. Rooted in a light-sensitive protein found in algae, the technique has already been used to activate memories and is opening new paths for restoring vision and treating brain disorders.

How Light Controls Brain Cells: The Nobel-Winning Discovery of Optogenetics
Optogenetics: How Light Controls Brain Cells
Optogenetics · Wikimedia — licence per file · rights

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The 2026 Nobel Prize in Physiology or Medicine honors the development of optogenetics, a method that uses light to switch brain cells on and off. Rooted in a light-sensitive protein found in algae, the technique has already been used to activate memories and is opening new paths…