Blindingly Obvious Patent
Given the signal before action scenario has been known about for ages (and, ability to predict an action before person consciously aware of it led to lots of badly thought out free will arguments) then how can this patent be granted?
And, as for the general idea, umpteen SF books / stories full of the ideas of people using their mind to control machines of various types.
I can do crude mind control.
I say the word "Microsoft"
90% of people exposed to MS software think "*******" or similar expletive.