Control a Computer with a Thought and a Twitch

Every so often a news article appears that shows a disabled person directing movement of a computer cursor or a prosthetic hand with thought alone. But why would anyone choose to have a hole drilled through his or her skull to embed a computer chip in the brain unless warranted by a severe medical condition?

A more practical solution may now be here that lets you hook up your brain to the outside world. CTRL–Labs, a start-up launched by the creator of Microsoft Internet Explorer, Thomas Reardon, and his partners, has demonstrated a novel approach for a brain-computer interface (BCI) that ties an apparatus strapped to your wrist to signals in the nervous system.

Physiologically, Reardon observes, all transfer of information among humans is carried out via fine motor control. Motor control of the tongue and throat gives us speech. Facial expression and body posture convey emotion and intention. Writing takes place by controlling fingers that scrape chalk on a blackboard, stroke paint, manipulate pen or pencil, or punch keys. If everything the brain does to interact with the world involves muscles, why not use the motor system to more directly interface mind and machine?

Read more here: https://www.scientificamerican.com/article/wristband-lets-the-brain-control-a-computer-with-a-thought-and-a-twitch/

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