In a potential neuroscience breakthrough, University of California
Berkeley scientists have proposed a system that allows for thousands of
ultra-tiny “neural dust” chips to be inserted into the brain to monitor
neural signals at high resolution and communicate data highly
efficiently via ultrasound.
The neural dust design promises to overcome a serious limitation of
current invasive brain-machine interfaces (BMI): the lack of an
implantable neural interface system that remains viable for
a lifetime. Current BMI systems are also limited to several hundred
implantable recording sites, they generate tissue responses around the
implanted electrodes that degrade recording performance over time, and
are limited to months to a few years.
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