A new method for decoding the mental typing

Scientists at Stanford have invented a new method for transferring thought processes onto a computer screen. The combination of the power of the human brain and modern technology will allow people with paralyzed limbs to communicate in text format, and do it quickly enough. The new brain-computer system is able to decode the process of writing letters and words, which takes place at the mental level.

A Stanford study participant lost mobility due to a spinal cord injury many years ago, but thanks to chips that were implanted into the left side of his brain, the patient was able to write text. The speed of typing words of this participant differed little from the speed of writing text by able-bodied people.

How it works?

The researchers installed miniature chips with hundreds of electrodes in the brain of the experiment participant, with the help of which it became possible to read neural signals from the area that is responsible for the movement of the upper limbs. Further, these neural impulses are transferred to a computer, where they are decoded by using artificial intelligence.

This is not the first such experience, but it differs in that previously the experimental had to press imaginary keys, but now the participants in the experiment mentally wrote words. The new approach has shown high efficiency: faster response and character recognition, fewer errors. Thanks to this method, the paralyzed participant was able to type at a speed of 90 characters per minute, with a typing accuracy of almost 95%.

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