Scientist updates Twitter using only his mind
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From telegraph.co.uk.
The system works by monitoring electroencephalography – or EEG – which is the electrical activity produced on the scalp by the movement of neurons within the brain.
The user of a BCI wears a cap, which is studded with electrodes and connected to a computer. The electrodes detect the electrical signals caused by thoughts.
Mr Wilson’s Twitter set-up contains an onscreen alphabet. The letters flash in turn, and when the letter that the user wants to type flashes, the system detects a spike in their brain activity, and selects that letter.
Slow, slow progress – but progress.
