Manipulating nerve cells makes mice ‘see’ something that’s not there

For the first time, researchers have used optogenetics to create a specific visual perception

lab mouse

SNIFFING AROUND A laboratory mouse checks out a device that helps deliver light to specific nerve cells in the brain, activating them in a way that creates a perception. 

Sean Quirin, James Marshel, Cephra Raja and K. Deisseroth/Stanford Univ.

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