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Dorina Papageorgiou, a neuroscientist who works on decoding speech from fMRI signals at the Baylor College of Medicine in Houston, Texas, says that the research is “cutting-edge work in the area of brain-computer interface speech output”.
But brain signals for speech can also be decoded by electrodes positioned outside the brain, on the skull, or from fMRI, as in Papageorgiou’s work, and she believes that, for many patients, non-invasive methods would be a better bet than a brain electrode.
Guenther and his colleagues say that they feel privileged to be involved in the project.
“This was the first application where we see an individual improve his abilities based on something we theorized years ago,” he says.
Their efforts are appreciated by the patient too.
“When we first arrived to install this system he was obviously very excited ― you can tell from his involuntary movements, and he was trying to look at us the whole time,” Guenther says.
As the man’s father told the team, “he really has a new lease on life”.
The team’s next step is to train their computer decoder to recognize consonants so that patients can from whole words, and even sentences.
They also hope that with developments in technology, they can implant more electrodes in their next patient to transmit a more detailed signal.
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ありがとうございました。 助かりました。