First Commercially Available Brain-Computer Interface.

The Brain-Computer Interface (BCI)
A Brain-Computer Interface
(BCI) provides a new communication channel between the human brain and the computer. Mental activity leads to changes of electrophysiological
signals like the Electroencephalogram (EEG) or Electrocorticogram (ECoG). The BCI system detects such changes and transforms it into a
control signal which can, for example, be used as spelling device or to control a cursor on the computer monitor. One of the main goals is to
enable completely paralyzed patients (locked-in syndrome) to communicate with their environment.
-- Via Medgadget

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