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As an interdisciplinary research field, BCI’s future development depends on the progress of neuroscience and engineering technology. From the perspective of neuroscience, more fully understanding the function and working mechanism of the brain is the basis for future success of BCIs [129]. From the engineering perspective, the applications of multimodal and large-scale neuronal recording, ultra-high-speed broadband wireless signal transmission (5G and beyond), and super data processing capability of cloud platform are the directions of future development [108].

Interface, interaction, and intelligence in generalized brain–computer interfaces, Xiaorong Gao, Yijun Wang, Xiaogang Chen and Shangkai Gao.
https://doi.org/10.1016/j.tics.2021.04.003