意念控物已在路上

Core Insights - The successful initiation of China's first invasive brain-computer interface (BCI) clinical trial marks a significant advancement in the field, positioning China as the second country globally to reach this stage after the United States [1] - The trial involves a male subject who lost all four limbs due to an electrical accident, with flexible electrodes implanted in his brain to decode neural signals for external device control [1][2] Group 1: Clinical Trial Details - The subject underwent a minimally invasive surgery where two ultra-thin flexible electrodes were implanted in the cerebral cortex, connected to a coin-sized implant in the skull [1] - The system allows for wireless transmission of brain signals to external devices, enabling the subject to control a computer using thought after a training period of 2 to 3 weeks [1] Group 2: Technological Innovations - The research team developed flexible neural electrodes that minimize damage to brain tissue, addressing previous challenges of bulkiness and rigidity in BCI devices [2] - These electrodes have demonstrated high-density, wide-range, and long-duration signal acquisition capabilities, overcoming issues related to tissue compatibility and bandwidth limitations [2] Group 3: Surgical Precision - The success of the surgery relies on precise electrode placement, achieved through a combination of functional MRI and CT imaging to create a detailed 3D model of the subject's brain [3] - The surgical process was executed with millimeter-level accuracy to ensure safety and effectiveness [3] Group 4: Future Implications - The invasive BCI system has the potential to significantly improve the quality of life for patients with complete spinal cord injuries, upper limb amputations, and amyotrophic lateral sclerosis once approved for market [3] - Future plans include enabling the subject to control robotic arms and complex physical devices, expanding their functional capabilities [3]