BrainGate Technology Implant Paralyzed Man Though Into Text
A man who was paralyzed from the neck down caused by an accident back in 2007 has successfully demonstrated that he can communicate his thoughts using a brain implant system that converts thoughts into text at 94% accuracy. These thoughts are processed with BrainGate technology, or a brain-computer interface (BCI), that uses artificial intelligence (AI) to interpret signals of neural activity generated during handwriting. Read more for a video and additional information.

However, this man was not doing any handwriting, but instead concentrated his thoughts as if his hand was moving, thus effectively making the letters with an imaginary pen and paper. The electrodes implanted in his brain’s motor cortex area then recorded these signals, which were then analyzed by algorithms powered by an external computer. It decoded his imaginary pen trajectories, which mentally traced the 26 letters of the alphabet as well as basic punctuation marks.

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BrainGate Technology Implant Paralyzed Man Though Into Text

This new system uses both the rich neural activity recorded by intracortical electrodes and the power of language models that, when applied to the neurally decoded letters, can create rapid and accurate text,” said Frank Willett, first author of the study and neural prosthetics researcher from Stanford University.