Mind control using sound waves? We ask a scientist how it works.

Oxford University's Antoine Jerusalem explains the art of ultrasound neuromodulation.

At the moment, non-invasive neuromodulation – changing brain activity without the use of surgery – looks poised to usher in a new era of healthcare. Breakthroughs could include the better management of Parkinson's and Alzheimer's disease, reducing the pain of migraines or even reversing cognitive disorders caused by brain injury.

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