Japanese researchers are much closer to making these things possible then you may think.
It's a new technology designed to read minds and make them manipulate equipment. Here's how it works, sensors shoot infra-red light onto the brains surface, when a human concentrates, it makes blood flow to the brain, the sensors detect the blood and signal something like this train to start. Then as the mind relaxes, the train stops.
The headgears a little bulky right now but scientists hope to have the technology refined in just a few years.