Tech that can spy on our brains is coming

[Herran]

Almost ten years ago, Facebook launched its facial recognition tool, which could identify people in photos uploaded onto the platform. Since then, we have seen the technology adopted at airport border security, on our mobile devices, and even on concert tours.

The promise of brain-computer interfaces

Brain-computer interfaces (BCI) are devices that allow communication between your brain and a wired device, which detects neural activity and interprets those electric signals into, for example, basic emotions. These devices can’t currently plant thoughts and emotions in your head, but they can help improve neural activity around damaged nerves—a common example of this is a cochlear implant. BCIs can be surgically implanted or simply worn on top of your head like a loose swimming cap.

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