Experimental Tool Uses Light To Tweak The Living Brain

December 26, 2013 11:21 PM

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Experimental Tool Uses Light To Tweak The Living Brain

A technique called optogenetics is being used in the laboratory to observe and control what brain circuits are doing in real time. (Getty Images/Science Photo Library RM)

When President Obama announced his BRAIN Initiative in April, he promised to give scientists "the tools they need to get a dynamic picture of the brain in action."

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