From: NSA TORTURE TECHNOLOGY, NEWS and RESEARCH on
http://news.bbc.co.uk/2/hi/technology/7254078.stm


Brain control headset for gamers

By Darren Waters

Technology editor, BBC News website, San Francisco

Gamers will soon be able to interact with the virtual world
using their thoughts and emotions alone.
A neuro-headset which interprets the interaction of neurons in
the brain will go on sale later this year.

"It picks up electrical activity from the brain and sends
wireless signals to a computer," said Tan Le, president of US/Australian
firm Emotiv.

"It allows the user to manipulate a game or virtual environment
naturally and intuitively," she added.

The brain is made up of about 100 billion nerve cells, or
neurons, which emit an electrical impulse when interacting. The headset
implements a technology known as non-invasive electroencephalography (EEG)
to read the neural activity.


Ms Le said: "Emotiv is a neuro-engineering company and we've
created a brain computer interface that reads electrical impulses in the
brain and translates them into commands that a video game can accept and
control the game dynamically."


See how the headset works
Headsets which read neural activity are not new, but Ms Le said
the Epoc was the first consumer device that can be used for gaming.


"This is the first headset that doesn't require a large net of
electrodes, or a technician to calibrate or operate it and does require gel
on the scalp," she said. "It also doesn't cost tens of thousands of
dollars."

The use of Electroencephalography in medical practice dates back
almost 100 years but it is only since the 1970s that the procedure has been
used to explore brain computer interfaces.

The Epoc technology can be used to give authentic facial
expressions to avatars of gamers in virtual worlds. For example, if the
player smiles, winks, grimaces the headset can detect the expression and
translate it to the avatar in game.

It can also read emotions of players and translate those to the
virtual world. "The headset could be used to improve the realism of
emotional responses of AI characters in games," said Ms Le.

"If you laughed or felt happy after killing a character in a
game then your virtual buddy could admonish you for being callous," she
explained.

The $299 headset has a gyroscope to detect movement and has
wireless capabilities to communicate with a USB dongle plugged into a
computer.

The Emotiv said the headset could detects more than 30 different
expressions, emotions and actions.

They include excitement, meditation, tension and frustration;
facial expressions such as smile, laugh, wink, shock (eyebrows raised),
anger (eyebrows furrowed); and cognitive actions such as push, pull, lift,
drop and rotate (on six different axis).

Gamers are able to move objects in the world just by thinking of
the action.

Emotiv is working with IBM to develop the technology for uses in
"strategic enterprise business markets and virtual worlds"

Paul Ledak, vice president, IBM Digital Convergence said brain
computer interfaces, like the Epoc headset were an important component of
the future 3D Internet and the future of virtual communication.











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