Mar 192011
 
EEG, EOG, and EMG

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Brain-Computer Interfacing (BCI) is a hot area of research. In the past year alone we’ve looked at a system to allow people to control a robotic arm and another that enables users to control an ASIMO robot with nothing but the power of thought. Such systems rely on the use of an electroencephalograph (EEG) to capture brain waves and translate them into commands to control a machine. Now researchers at the University of Southampton have used a similar technique to show it is possible to transmit thoughts from one person to another.

An experiment conducted by Dr Christopher James from the University’s Institute of Sound and Vibration Research saw a person attached to an EEG amplifier. The person would generate a series of binary digits, imagining moving their left arm for zero and their right arm for one. The stream of binary digits was then transmitted over the Internet to a second person who was also attached to an EEG amplifier and a PC that picked up the stream of digits and flashed an LED lamp at two different frequencies, one for zero and the other for one.

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