Mind controls: Good vibrations reach deep in the brain: The sound waves could be focused on an area of 1 to 3 cubic millimetres, similar to electrical deep brain stimulation. And the team targeted an area deep in the brain without affecting overlying tissue, by using several beams to converge on the right spot.
Neurons don't communicate using sound waves, so how does it work? Tyler's best guess is that the force of the sound waves knocks open the neurons' ion channels, which normally trigger electrical firing.
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