This video shows how BCI (Brain Computer Interface) can be used to control a Flash application. This demonstration utilizes the BCI NIA headband.
In the application, a cloud is controlled by Alpha waves, a bird is controlled by Beta waves, and the sun is controlled by facial movements.
When alpha waves are too high, the white cloud mutates into storm cloud. When alpha waves are low (i.e. the user is quiet), the could becomes white.