Whales, bats, and even praying mantises use ultrasound as a sensory guidance system—and now a new study has found that ultrasound can modulate brain activity to heighten sensory perception in humans. Virginia Tech Carilion Research Institute scientists have demonstrated that ultrasound directed to a specific region of the brain can boost performance in sensory discrimination. The study, published online Jan. 12 in Nature Neuroscience, provides the first demonstration that low-intensity, transcranial-focused ultrasound can modulate human brain activity to enhance perception.
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