This is impossible with existing technology.
My dad worked with a DARPA crazy trying to build a thought controlled helmet for fighters with external sensors
Even if they got it to work (never got even close), it was so heavy it would snap the pilot’s neck on a 3G turn.
You want SciFi, read a book.
You want reality, talk to an Engineer.
How long before everyone is "chipped" with security information, credit access, etc., so you just have to be scanned to monitor and enable all activities?
That's not science-fiction.
How long ago was that? (rhetorical, really).
Look what has happened to what we call a 'phone' in 20 years.