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Imagine being able to control a flying robot with your mind.
Sounds like a flight of fancy, but researchers at the University of Minnesota have fashioned an electrode-studded cap that records brain waves and uses them to control a “quadcopter” via wi-fi. Results of the copter’s test flights were published in the June issue of the Journal of Neural Engineering.
How does it work? “It’s completely noninvasive. Nobody has to have a chip implanted in their brain to pick up the neuronal activity,” biomedical engineering student and one of the paper’s authors, Karl LaFleur, said in a written statement.
Thinking about moving a body part makes cells in an area of the brain called the motor cortex produce tiny electrical currents. The cap sends this information to a computer, which translates it into directions for the copter.
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