Noting Neuralink as an example.
Can mind-controlled VR games help stroke patients? By Zoe Kleinman, Technology editor
A system which can translate human brain activity into actions without any physical movement is being developed by a neurotech firm called Cogitat.
When wearing a prototype headset, basic actions in virtual reality can be carried out by thinking about them.
So for example, in a game where a VR jet ski is controlled by handles, you move by thinking about it, rather than squeezing your hands.
Elon Musk's firm Neuralink is developing a similar concept.
It is called brain-computer interface and there are many neurotech companies exploring it.
One aim is that it could eventually allow people who have suffered a stroke, or have other brain injuries, to control phones or computers remotely.
Neuralink's method requires a chip being placed into the brain itself. The firm has so far only worked with animals, and has been criticised for their treatment. It has released videos it says demonstrate a monkey playing the video game Pong with its mind, and the brain activity of a pig with a chip implanted in its brain.
Cogitat is one of the firms developing a system which works on top of the head rather than inside it.
It could one day take the form of a headband worn with a VR headset. Some companies are already creating their own hardware but, as a university spin-off, Cogitat is concentrating only on the tech behind it. .... '
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