Duke University scientists have made a groundbreaking discovery that will revolutionize the way we communicate. Collaborating across disciplines, neuroscientists, neurosurgeons, and engineers have developed a speech prosthetic capable of translating brain signals into coherent speech.
This innovative technology has the potential to transform the lives of individuals with neurological disorders, offering new hope through brain-computer interfaces. The device, consisting of a high-density, flexible brain sensor, addresses the limitations of current communication tools, providing a faster and more effective solution.
The brain sensor, developed by Dr. Jonathan Viventi and his team, incorporates 256 tiny brain sensors on a postage stamp-sized, medical-grade plastic substrate. This breakthrough enables the accurate decoding of signals from neighboring brain cells, allowing for more comprehensive and precise predictions about intended speech.
Tests were conducted on four patients at Duke University Hospital, involving the temporary implantation of the device during brain surgery. The participants engaged in a listen-and-repeat activity, which recorded activity from the speech motor cortex, a key area for coordinating speech production. The data was then processed using a machine learning algorithm, achieving an 84% accuracy for certain sounds when used at the initial sound in a sequence.
The research, recently published in the journal Nature Communications, has received a $2.4 million grant from the National Institutes of Health to develop a cordless version of the device. While the speed of speech decoding remains slower than natural speech, the possibilities for this technology are promising. The team envisions continued progress and improvement in the near future. This groundbreaking advancement has the potential to change the lives of many individuals struggling with neurological disorders. This report was shared by TECHTIMES.com, a leader in science and technology news and research.
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