Theres a lot of patients who "want to help out" Eddie Chang's team in SF have one patient who moved right next to the hospital to equally do this.. (NB: they should be getting paid too by the way - although thats not clear)

Yeah - this is wireless. Better than some systems which have been, no joke, a box at the top of your head with a HDMI cable in it..

> He appears to just think about where the mouse should go and then be able to click and click-and-hold. Seems like multiple inputs which an eye tracker wouldn't do. Unless maybe its just configured to click when the cursor pauses on a spot?

This is really the key question. The dwell technique you note is what most eyetrackers do (although far better to use a binary technique - eg a blink - to select because of the midas touch effect). Its built into to Windows/MacOS and iOS now. I have a sneaky feeling the reason why its chess is you can encode the positions "X1 to Y2". You can then do a transformer model to decode intentional speech..

If that is the case - then if a person actually speaks whats the benefit right now for this indvidual? (yes - that he doesnt have to say it. BUT sub-vocal speech is already achievable without invasive surgery..)