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**“An active BCI is a BCI which derives its outputs from brain activity which is directly consciously controlled by the user, independently from external events, for controlling an application.”
**“An active BCI is a BCI which derives its outputs from brain activity which is directly consciously controlled by the user, independently from external events, for controlling an application.”
**Measures Phasic states (switching attention, type of imagined movement, ...)
**Measures Phasic states (switching attention, type of imagined movement, ...)
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[[File:Active.jpg|none|thumb|200px|Active BCI]]
*Reactive BCI:
*Reactive BCI:
**“A reactive BCI is a BCI which derives its outputs from brain activity arising in reaction to external stimulation, which is indirectly modulated by the user for controlling an application.”
**“A reactive BCI is a BCI which derives its outputs from brain activity arising in reaction to external stimulation, which is indirectly modulated by the user for controlling an application.”