Have you seen this company?

They make brainscanners and neural mappers. They also make Force-controlled Darth Vader games.
Behind the mask is a sensor that touches the user’s forehead and reads the brain’s electrical signals, then sends them to a wireless receiver inside the saber, which lights up when the user is concentrating. The player maintains focus by channeling thoughts on any fixed mental image, or thinking specifically about keeping the light sword on. When the mind wanders, the wand goes dark.
Engineers at NeuroSky Inc. have big plans for brain wave-reading toys and video games. They say the simple Darth Vader game - a relatively crude biofeedback device cloaked in gimmicky garb - portends the coming of more sophisticated devices that could revolutionize the way people play.
Technology from NeuroSky and other startups could make video games more mentally stimulating and realistic. It could even enable players to control video game characters or avatars in virtual worlds with nothing but their thoughts.
Adding biofeedback to “Tiger Woods PGA Tour,” for instance, could mean that only those players who muster Zen-like concentration could nail a put. In the popular action game “Grand Theft Auto,” players who become nervous or frightened would have worse aim than those who remain relaxed and focused.
NeuroSky’s prototype measures a person’s baseline brain-wave activity, including signals that relate to concentration, relaxation and anxiety. The technology ranks performance in each category on a scale of 1 to 100, and the numbers change as a person thinks about relaxing images, focuses intently, or gets kicked, interrupted or otherwise distracted.
The technology is similar to more sensitive, expensive equipment that athletes use to achieve peak performance. Koo Hyoung Lee, a NeuroSky co-founder from South Korea, used biofeedback to improve concentration and relaxation techniques for members of his country’s Olympic archery team.
For being from the future their website needs a little help.
In Twilight Princess, when I’m trying to rescue the kid by horse-chase and then a showdown joust over a spanning bridge, I don’t want to play worse because my mind is singing “Meow Meow Meow Meow” or “I am I, Don Quixote, the Lord of La Mancha! My destiny calls and I go!”
On the topic of hearts racing…
Google is also getting into the mind-reading. They’re actually being challenged by Internet “guardians” for wanting to put public government records online.