Tiny Neural Dust Sensors Send Feedback from the Body

Aug-05-16 Researchers have created “neural dust” wireless sensors that can be implanted in the body to provide real-time feedback from nerve cells.

Still in the prototype phase, the wireless implants are currently about 3 mm long, 1 mm high, and 4/5 of a mm thick. Each tiny unit is equipped with a piezoelectric crystal able to convert ultrasonic bursts from outside the body into electricity that powers the unit’s sensors and other electronic components. The neural dust could have applications in treating epilepsy or inflammation, as well as bladder control or weight loss, and could one day even replace the need for wired electrodes in the brain.

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