The term “brain-computer interface,” or BCI, has been buzzing around Silicon Valley and the mainstream media for years, thanks in part to Elon Musk’s secretive, yet flashy company Neuralink, which launched in 2017 with the promise of brain enhancement, telepathy, and similar sci-fi dreams of brain control.
Neuralink, though, is one of the youngest players in the BCI field. Outside the limelight, a handful of other companies have been gaining momentum — and money.
