Fig. 3
From: Brain–computer interface: trend, challenges, and threats
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40708-023-00199-3/MediaObjects/40708_2023_199_Fig3_HTML.png)
Number of publications on brain–computer interface per country. (Data collected from Scopus on 26 August 2022.)
From: Brain–computer interface: trend, challenges, and threats
Number of publications on brain–computer interface per country. (Data collected from Scopus on 26 August 2022.)