NIH-funded study explores how information flow in the brain is centrally regulated for sleep and wakefulness Scientists studied how just a few nerve cell in the mouse brain may control the switch between internal thoughts and external distractions. Using optogenetics, a technique that uses light-sensitive molecules to control nerve cell firing, the scientists were able to switch on and off drowsiness in mice. Credit: Video courtesy of the Halassa lab, NYU Langone Medical Center and NINDS. Ever wonder why it's hard to focus after a bad night's sleep?
Read more about Lasers Used To Control Brain Switchboard, Video
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