中国团队研制新型可拉伸柔性电极，破解脑机接口核心难题

Core Insights - A research team led by Fang Ying from Beijing Brain Science and Brain-like Research Institute has developed a new type of high-throughput, stretchable flexible electrode that addresses the challenges of traditional flexible electrodes in brain-machine interface (BMI) technology, particularly in dynamic brain movements [1][2][3] - The new stretchable electrode architecture can dynamically follow brain movements with a required stretching force that is only 1/100th of that needed for Neuralink's linear electrodes, significantly reducing mechanical damage to brain tissue and minimizing immune responses [2][3] Group 1 - The new flexible electrode technology provides a foundational solution for the long-term stability of invasive brain-machine interfaces, overcoming issues of electrode displacement and inflammation caused by brain tissue movement [2][3] - Research conducted on macaques demonstrated that the stretchable flexible electrode could achieve long-term stable recordings in the brain, successfully capturing 257 single-neuron signals with a 256-channel implant and high-quality neural signals with a 1024-channel implant [2][3] Group 2 - This innovative technology is expected to address key obstacles for the clinical application of invasive brain-machine interfaces in China, potentially allowing the country to gain a competitive edge in the global market [3] - The advancement in this technology is anticipated to enhance the performance of brain-machine interfaces, contributing to the overall development of the industry and improving public health through cutting-edge technology [3]