【科技日报】“物随心动”，意念操控智能轮椅

Core Insights - Brain-computer interface (BCI) technology is transitioning from laboratory settings to real-life applications, enabling patients to control devices like wheelchairs and robotic dogs with their thoughts [1][2] Group 1: Clinical Trials and Technological Advancements - China has become the second country after the United States to enter the clinical trial phase for invasive brain-computer interface technology, with three successful trials completed [1] - The first trial involved controlling computers and tablets, while the second expanded to three-dimensional devices such as smart wheelchairs and robotic dogs [1] - A hybrid decoding model was developed, improving brain control performance by 15% to 20% even in noisy environments [1] Group 2: System Performance and User Experience - The team introduced neural manifold alignment technology to extract stable low-dimensional features from high-dimensional neural signals, enhancing the robustness of the decoder [2] - An online recalibration technology allows real-time adjustments to decoding parameters, maintaining high system performance during daily use [2] - The end-to-end latency of the BCI system has been reduced to under 100 milliseconds, providing a more seamless control experience for users [2] Group 3: Future Developments and Safety Measures - The third clinical trial has been successfully completed, leading to the development of the upgraded WRS02 system, which features 256 channels [3] - The ultra-flexible electrode technology, developed over ten years, is crucial for the safety and effectiveness of the WRS01 system [4] - Collaboration with external smart devices is essential for the commercialization of BCI technology, with a focus on defining control protocols and application scenarios [4]