<p>➀ Researchers at UC Davis have developed a brain-computer interface (BCI) that restores speech for individuals with advanced ALS.</p><p>➁ The device translates brain activity into text and synthetic speech, achieving 99.6% accuracy in initial testing.</p><p>➂ The system has been used in natural conversations, with an average of 32 words per minute over 248 hours of communication.</p>