Switching on brain cells: the Nobel-winning science of optogenetics

The Nobel medicine prize was awarded Monday to US psychiatrist and neurologist Karl Deisseroth and German scientists Peter Hegemann and Georg Nagel for their pioneering work in the neuroscience field of optogenetics. In optogenetics, scientists control neurones by stimulating them with light -- potentially unlocking breakthroughs for conditions such as dementia, depression and blindness. FRANCE 24's Monte Francis reports.

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