Originally Posted by
pasta
They're both sort of right: they read your brain so that you can operate various aircraft systems directly by thought. You have to think in the right language though...
Early on in the space programme NASA were concerned that crews would be unable to reach switches due to g forces, so designed a system where the crew looked at switches and blinked to operate them, it was soon binned when they realised that you couldn’t control crews looking around, nor blinking.