Wednesday, May 12, 2021

Composing thoughts: Mental handwriting produces brain activity that can be turned into text

National Institute on Deafness and Other Communication Disorders

May 12, 2021

Composing thoughts: Mental handwriting produces brain activity that can be turned into text

NIH BRAIN Initiative-funded project could help people with paralysis to communicate

Cartoon of man thinking about writing a sentence while electrodes implanted into his brain send a signal that appears as words on a computer screen

Scientists have developed a brain-computer interface (BCI) designed to restore the ability to communicate in people with spinal cord injuries, ALS, or other neurological disorders. This system has the potential to work much more quickly than previous BCIs, and it does so by tapping into one of the oldest means of communications we have—handwriting.

The research was funded in part by the National Institutes of Health's Brain Research Through Advancing Innovative Neurotechnologies® (BRAIN) Initiative as well as the National Institute of Neurological Disorders and Stroke and the National Institute on Deafness and Other Communication Disorders, both part of the NIH. The study appears in the May 12, 2021, issue of Nature.

"Communication is central to how we function in society," said NIDCD Director Debara L. Tucci, M.D., M.S., M.B.A. "In today's world of internet-based communication, people with severe speech and physical impairments can face significant communication barriers and, potentially, isolation. We hope these findings will encourage commercial development of this latest BCI technology."

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