Chinese researchers have created a comfortable electrode for non-invasive brain-computer interfaces (BCIs) that achieved over 94 per cent accuracy in visual mind-typing tests during day-long use. The gradient electrodes – designed to overcome the current trade-offs of conventional uniformly soft...
Source: [SCMP](https://www.scmp.com/news/china/science/article/3373477/chinas-comfortable-brain-reading-device-achieves-94-mind-typing-accuracy-day-long-use)