In this experiment, the general-purpose BCI system BCI2000 is used to control signal acquisition, signal processing, and feedback to the user.
A brain-computer interface (BCI) functions by translating a neural signal, such as the electroencephalogram (EEG), into a signal that can be used to control a computer or other device. The amplitude of the EEG signals in selected frequency bins are measured and translated into a device command, in this case the horizontal and vertical velocity of a computer cursor.

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