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Nature:世界首例,脑机接口+AI算法,帮助渐冻症患者实时“说话甚至唱歌”
生物世界· 2025-06-23 04:00
Core Viewpoint - The article discusses a groundbreaking clinical trial by BrainGate that successfully enables paralyzed individuals to "speak" by converting their thoughts into real-time synthesized speech, showcasing the potential of brain-computer interfaces (BCI) in restoring communication abilities for those with neurological diseases like ALS [3][13]. Group 1: Clinical Trial Overview - The clinical trial results were published in the prestigious journal Nature, demonstrating the use of an implanted BCI that combines low-latency processing and AI-driven decoding models to convert neural activity into speech with only an 8.5-millisecond delay [4][10]. - The study involved a nearly completely speechless ALS patient, where 256 microelectrodes recorded neural activity from the brain region responsible for language, allowing for real-time voice synthesis [6][8]. Group 2: Technological Advancements - The research team developed AI algorithms that map neural activity to expected sounds, enabling the synthesis of speech nuances and allowing users to control the rhythm of the generated voice [10][11]. - The synthesized voice was found to be intelligible, with listeners correctly understanding about 60% of the words produced through the BCI, compared to only 4% when the patient did not use the device [10]. Group 3: Implications for Patients - The ability to synthesize speech using the patient's own voice provides hope for those who have lost their ability to communicate, potentially transforming their quality of life [13]. - The study highlights the importance of voice as part of personal identity, emphasizing the emotional impact of regaining the ability to speak for individuals with neurological disorders [13].