Workflow
脑机接口首次让语言障碍患者实现说话唱歌
财联社·2025-06-13 14:30

Core Insights - The article discusses a breakthrough in brain-computer interface (BCI) technology that allows a man with severe speech impairment to communicate expressively through a brain implant device [1][2]. Group 1: BCI Technology Overview - The BCI system can convert neural activity into speech, enabling tone variation and emotional expression, marking a significant advancement over earlier BCI systems that had longer response times [1][2]. - The device is the first to replicate natural language features, such as pitch and emphasis, which are crucial for conveying meaning and emotion [1][3]. Group 2: Research and Development - The research involved a 45-year-old man with amyotrophic lateral sclerosis (ALS), who underwent surgery to implant 256 silicon electrodes in the brain's motor control area [2]. - The team trained deep learning algorithms to capture brain signals every 10 milliseconds, allowing real-time decoding of the participant's intended sounds rather than specific words [2]. Group 3: User Experience and Functionality - The BCI successfully generated expressive sounds and allowed the participant to spell words and answer open-ended questions, providing a sense of joy as it resembled his "real voice" [2]. - The device can also identify whether a sentence is a question or a statement and adjust the synthesized voice's tone accordingly, enhancing its usability for daily communication [3].