This new device can translate brain signals into speech with 97% accuracy, allowing people with ALS to speak again. A groundbreaking new brain computer interface developed by U C. Davis Health is giving a voice back to individuals who have lost the ability to speak due to paralysis or neurological conditions. This innovative technology, boasting an impressive 97% accuracy rate in translating brain signals into speech, is a beacon of hope for those struggling with communication barriers. The device consists of four microelectrode arrays placed in the left precentral gyrus, a brain region crucial for speech coordination. These arrays record brain activity from 256 cortical electrodes, effectively detecting the user’s attempt to move muscles and speak. The system works by interpreting brain activity as the user attempts to speak, converting these signals into text which is then vocalized by the computer. In a recent study published in the New England Journal of medicine, forty five year old ALS patient Casey Harrell, who had severe speech impairment, was able to communicate effectively using the BCI just minutes after its activation. The system was trained on his pre ALS voice, allowing the computer to speak in a voice that sounded like his own. The the accuracy and speed of the system far surpass previous BCI technologies, providing real time communication in both prompted and spontaneous conversations. This breakthrough could improve the quality of life of individuals with communication difficulties, offering them a bridge back to social interaction, meaningful connections, and a renewed sense Of self, breaking the isolation imposed by their condition.