A new brain-computer-interface device doesn't require open-brain surgery to implant.
After being fed through the jugular vein, a tiny,"thought-controlled" device can record brain activity from a nearby blood vessel, thus eliminating the need for doctors to crack open the skull, a small trial shows.
Whereas other mind-reading devices designed for similar purposes are typically placed on top of or within the brain during an open-brain surgery, doctors can implant Stentrode without having to split open a patient's skull, the trial organizers wrote in the report. The team previously showed that Stentrode could be used in animals to both record signals from the brain and deliver electrical stimulation to the organ, according to The Royal Melbourne Hospital in Australia, an institution involved in the trial. The recent in-human clinical trial — known as the Stentrode With Thought-Controlled Digital Switch study — was the first to test the device in people.
"The patients all tolerated the procedure well and were typically discharged home within 48 hours," co-principal investigator Dr. Peter Mitchell , director of neurointervention at Royal Melbourne Hospital, said in a separate statement. Only one of the four patients remained in the hospital for an additional day before being discharged, the JAMA report noted.
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