• on Education & Information
  • Published in issue 9/2008 on page 18
About the article

The Thought Cursor

Brain-computer interfaces and how they work

The Thought Cursor
Controlling a computer using the power of thought alone is less far-fetched than you might believe. The easy part is to measure precisely the tiny currents in the brain associated with thought processes; the hard part is to extract the thoughts from the morass of multi-channel EEG (electroencephalogram) data.
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