Shiyuan Wei, Anqi Jiang, Hongji Sun, Jingjun Zhu, Shengyi Jia, Xiaojun Liu, Zheng Xu, Jing Zhang, Yuanyuan Shang, Xuefeng Fu, Gen Li, Puxin Wang, Zhiyuan Xia, Tianzi Jiang, Anyuan Cao, Xiaojie Duan
Large-scale brain activity mapping is important for understanding the neural basis of behaviour. Electrocorticograms (ECoGs) have high spatiotemporal resolution, bandwidth, and signal quality. However, the invasiveness and surgical risks of electrode array implantation limit its application scope. We developed an ultrathin, flexible shape-changing electrode array (SCEA) for large-scale ECoG mapping with minimal invasiveness. SCEAs were inserted into cortical surfaces in compressed states through small openings in the skull or dura and fully expanded to cover large cortical areas...
January 24, 2024: Nature Communications