Typing with no hands. Just brain signals.

By Charlene Chetcuti

Controlling technology using just your brain is no longer science fiction. It forms part of an ever-growing research area known as Brain-Computer Interfaces (BCI). BCI interprets brain signals in order to determine a person’s intention. This allows them to control anything from a robotic arm to a computer application without having to move a muscle. Electrodes are placed on a person’s scalp to detect brain activity. The electrical signals are filtered and processed to determine a person’s intent.

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