Experiment results in a scientific journal published in Nature explain that there is technology that can make a person write using only the mind. This technology can help people with disabilities communicate better.
Previously there was technology capable of helping people with speech disabilities communicate with brain implants or eye tracking techniques. But the latest research by Stanford University could make that process even faster.
Reporting from cnet.com, Thursday (13/5), the researchers developed a system that combines a special machine with a brain-computer interface (BCI) to read brain activity in the form of writing movements and then turn it into text on the screen.
Engadget.com explained that the research team involved volunteers aged 65 years whose body condition has been paralyzed from the neck down since 2007 due to spinal cord injuries. This volunteer was named T5 in a research paper.
Researchers placed two chips in the T5 motor cortex, this is the part of the brain that controls body movement. Then the researcher asked T5 to imagine that he was writing normally using a pen and a piece of paper.
The chip in the brain then sends neural signals to the computer, then an algorithm that has been prepared will translate it, then the results of 'writing with thought' are displayed on the screen.
The final results show the T5 achieved a writing speed of about 18 words per minute with an accuracy of 94.1 percent. In comparison, healthy adults the same age are said to be able to type about 23 words per minute on a cell phone.
Krishna Shenoy, co-author of the study and a fellow at the Howard Hughes Medical Institute at Stanford University, said the method appears to be better than a similar study that tried to translate speech.
"Currently, other research can achieve about 50 words using machine learning methods when decoding speech. By using handwriting to record hundreds of individual neurons, we can write any letter and any word that provides an 'open vocabulary' that can be used in most parts of the world. situation, "Shenoy said in a statement.
Researchers hope a system like this will enable people with problems to communicate efficiently without using their hands. This can help people with spinal cord injuries and in patients who have had strokes.
0 Komentar untuk "Chip technology in the brain helps people with disabilities to write with their minds"