Posted by Alumni from Nature
June 11, 2025
The motor cortex (orange, illustration). Electrodes implanted in this region helped to record the speech-related brain activity of a man who could not speak intelligibly. Credit: Kateryna Kon/Science Photo Library A man with a severe speech disability is able to speak expressively and sing using a brain implant that translates his neural activity into words almost instantly. The device conveys changes of tone when he asks questions, emphasizes the words of his choice and allows him to hum a string of notes in three pitches. The system ' known as a brain'computer interface (BCI) ' used artificial intelligence (AI) to decode the participant's electrical brain activity as he attempted to speak. The device is the first to reproduce not only a person's intended words but also features of natural speech such as tone, pitch and emphasis, which help to express meaning and emotion. In a study, a synthetic voice that mimicked the participant's own spoke his words within 10 milliseconds of the... learn more
Ratings & Reviews
Entrepreneur & Investor