Mandarin Chinese Decoded from Brain Signals: NeuroXess's BCI-AI Breakthrough Expands Human Capabilities

NeuroXess [https://www.neuroxess.com/], a Chinese company focusing on implantable brain-computer interfaces (BCI)has achieved a landmark brain-computer interface (BCI) milestone: decoding Mandarin speech from neural signals and enabling real-time Chinese speech synthesis. Published in Science Advances and featured on Science 's homepage-following a July nod from Nature -the feat underscores language decoding as BCI's core driver and advances its transformative fusion with AI.

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The clinical trial centered on a patient with tumor-induced epilepsy involving the language center. During procedures to localize the epilepsy focus and preserve language function, the team tested Chinese decoding. After just 9 days of training, the system hit 71.2% accuracy in decoding 394 common Chinese syllables (covering >98% of daily speech), with 65ms latency per syllable and real-time sentence decoding at 49.6 characters/minute-fast enough for basic daily communication.

Powered by XessOS -which was independently developed by NeuroXess as its proprietary universal BCI operating system-the patient achieved key milestones: controlling a digital avatar to vocalize, conversing with large AI models in real time, and operating a robotic hand for complex tasks. For Lunar New Year, they even sent a "Happy New Year 2025" message via brain signals-showcasing the tech's practicality and human-centric design.

"BCI isn't just a medical tool-it's a bridge to harness AI's power," said Tiger H. Tao, the founder of NeuroXess . The system links users to AI-powered tools (e.g., productivity assistants, smart home systems), aligning with BCI's broader vision: empowering people to leverage AI, overcome physical limitations (impaired senses/limbs), and transcend cognitive/survival boundaries.

BCI has long been restricted to non-tonal languages like English, excluding billions of tonal language speakers-including those with speech impairments. This breakthrough changes that. "Tonal languages are global majority-this makes BCI accessible to millions left out of English-centric systems," noted Matthew Leonard (UCSF). Sergey Stavisky (UC Davis) praised its "genuine progress": decoding Mandarin in real time during speech (not reusing pre-recorded data)-a critical step for seamless BCI-AI integration.

Next, the team will boost accuracy/speed, test the system in stroke/ALS patients with speech loss, and develop wireless implantables BCI system for long-term use. Validated by Science and Nature , these steps bring BCI closer to its ultimate goal: a future where humans merge with AI to surpass biological limits.

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Company Name: Neuroxess
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City: Shanghai
Country: China
Website: https://www.neuroxess.com/

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This release was published on openPR.