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As reported in the journal
Nature, a clinical trial participant with cervical spinal cord injury used the system to “type” words on a computer at a rate of 90 characters per minute, more than double the previous record for typing with a brain-computer interface. The participant had to merely think about the hand motions involved in creating written letters to complete the task.
The research team is hopeful that such a system could one day help to restore people’s ability to communicate following paralysis caused by injury or illness.
A clinical trial participant created these letters on a computer screen just by thinking about the act of moving his arm and hand to write. (Credit: BrainGate.org)
Brain-computer interface creates text on screen by decoding brain signals associated with handwriting
Using a brain-computer interface, a clinical trial participant was able to create text on a computer at a rate of 90 characters per minute just by thinking about the movements involved in writing by hand. Brain-computer interfaces use tiny electrodes to record signals in the brain. Credit: BrainGate.org.
PROVIDENCE, R.I. [Brown University] Scientists with the BrainGate research collaborative have, for the first time, used an implanted sensor to record the brain signals associated with handwriting and used those signals to create text on a computer in real time.
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IMAGE: As part of the BrainGate clinical trial, researchers are using tiny electrode arrays to record signals from the motor cortex of the brain. Those signals can then be used to. view more
Credit: BrainGate.org
PROVIDENCE, R.I. [Brown University] Researchers with the BrainGate collaboration have, for the first time, used an implanted sensor to record the brain signals associated with handwriting, and used those signals to create text on a computer in real time.
In a study published in the journal
Nature, a clinical trial participant with cervical spinal cord injury used the system to type words on a computer at a rate of 90 characters per minute, more than double the previous record for typing with a brain-computer interface. This was done by the participant merely thinking about the hand motions involved in creating written letters.