Scientists make implantable microsensors for brain




Scientists in California have published a new method to unravel. Functioning of the brains They made sensors that can be micro-scale. Implanted in the brains Communication with the outside world is carried out with ultrasound.

The concept was developed by the University of Berkeley in California and “neural dust ‘called, as reports ExtremeTech. This is a reference to the fact that the sensors are in a shell of polymer and not greater than 100 micrometers. Packed It is the idea that there are inserted. Thousands of such “packets” with a patient in the brains

The packets of polymer containing an electrode and CMOS sensor that can be used to measure that lie in the area of ​​implantation. The electrical activity of the neurons The power supply will take place via piezo-electric material, which generates energy in that it is directed from the outside. Ultrasound to the patient Recorded information about the brain activity can then be returned by the sensor. Via ultrasound An advantage of ultrasound over conventional electromagnetic communication is that less energy is needed, making surrounding tissues become less heated.

With ‘neural dust’ several applications. So it can be used for scientific research into the functioning of the brains, but also for monitoring the brain of patients. In addition it could be, which may be devices. With the brains controlled by the read-out of mind a brain-computer interface was set up Probably scientists need to be able to continue. Technique in practice years


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