Anxiety On-Off Switch

Researchers discover a brain circuit that can instantly dampen or exacerbate anxiety in mice.
With the flick of a precisely placed light switch, mice can be induced to cower in a corner in fear or bravely explore their environment. The study highlights the power of optogenetics technology which allows neuroscientists to control genetically engineered neurons with light to explore the functions of complex neural wiring and to control behavior.
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