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Yes, you really can put on a special headset and have the electrical signals from your brain help you play a videogame. It's still early days, but there are a variety of products on the market and plenty of others in development.


NeuroSky's MindSet

NeuroSky's MindSet includes an application called the Brainwave Visualizer which can be used with iTunes to see how brainwaves change with music. The white line across the towers represents raw brain waves. The eSense meters (bottom right) allow users to practice controlling attention and meditation. The moving shape on the left is a circular representation of power spectrum bands. More yellows and greens means the person wearing the MindSet is more relaxed, whereas red means the wearer is more focused.

Judecca

Judecca is a proof-of-concept game developed by Square Enix in which players will only be able to see zombies and kill them once they have attained a heightened state of concentration. This game isn't available for consumers, but new titles by Square Enix are currently in development.

NeuroSky's sensor tech

NeuroSky's dry sensor technology will soon allow players of massively multiplayer online (MMO) games such as Warrior King, which is extremely popular in Asia, to fight opponents using the power of their minds, rather than quick draws with their hands. By concentrating, they will be able to light something on fire or shoot more accurately as a sniper. Likewise, meditation can make players stealthy and help them hide. Games are also able to adapt to a player's mental state. For example, a very calm state might lead to more creatures attacking a player.

MindSet headset

NeuroSky CEO Stanley Yang wears the MindSet, which records and amplifies raw brain signals, filters unwanted noise such as that coming from muscle movements, processes them using algorithms and exports them as digital commands. Currently, gamers wearing the MindSet are able to use the emotional states of attention and meditation to affect their gameplay.

Emotiv headset

The wireless Emotiv EPOC headset uses 14 saline-based sensors which ensure good electrical contact between the brain and the computer. Using electroencephalography (EEG), the EPOC collects high-resolution brain wave signals. Emotiv says it is working on a new sensor technology and hopes to release it next year.

Emotiv's Apps

Emotiv's EPOC headset comes with a few apps that allow users to do things like move a cube around or make it disappear, as TEDGlobal attendees saw in July. It also has an Emokey, which the company says allows users to pair the headset with most PC games. That said, Emotiv is focused on getting the EPOC into the hands of developers and researchers who will create their own gaming apps, and use it to study the brain or perform other sci-fi wonders.

NIA Game Controller

Facial muscle tension, eye movement and thought all generate electrical signals. The NIA (Neural Impulse Actuator) game controller maps these signals into PC controls, allowing gamers to play PC games without using their hands. The headband reads the signals, which are then amplified, digitized and separated into different frequency bands, which are mapped to keys and mouse clicks in the NIA software through the use of NIA profiles for different games.

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