CorTec publishes 500-day signal stability data in Nature Scientific Data — longest BCI recording longevity dataset
Summary
CorTec published long-term recording stability data in Nature Scientific Data demonstrating signal stability from the Brain Interchange BCI system over 500 days — the longest chronic neural recording stability dataset published in a peer-reviewed journal for any fully implanted closed-loop BCI. The data shows maintained signal-to-noise ratio, electrode impedance stability, and consistent single-unit yield throughout the 500-day period in the stroke rehabilitation patient.
Why it matters
500-day stable BCI recording published in Nature Scientific Data directly addresses the most common clinical skepticism about implanted BCIs: that electrode signals degrade too quickly for practical use. This dataset, combined with the FDA Breakthrough Designation, gives CorTec a compelling clinical and regulatory narrative — stable recording is achievable in humans for over a year.
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