UC Davis researchers say an implanted brain-computer interface has allowed Casey Harrell, an ALS patient who cannot speak, to synthesize sentences from brain activity with 99% accuracy in controlled tests and about 92% accuracy in everyday use. The Register reports that the system has remained usabl...

UC Davis researchers say an implanted brain-computer interface has allowed Casey Harrell, an ALS patient who cannot speak, to synthesize sentences from brain activity with 99% accuracy in controlled tests and about 92% accuracy in everyday use. The Register reports that the system has remained usabl...