A method for playing computer games on a computerized game system having a display, memory and one or more input devices. The method includes one or more acts of pre-game activity and one or more acts of game activity. The pre-game activity includes learning rules of the game including observing one or more objects related to the game on the display, thereby forming a visual percept of the objects, and transforming the visual percept of the objects into a mental image percept of the objects, in the absence of a visual percept of the objects. At the game activity one or more of objects are invisible. The game activity includes activating one or more of the input devices and inputting data in dependence upon the mental imagery percept of the invisible objects, thereby forming play input data. The game activity further includes receiving feedback that corresponds to the play input data and activating one or more of the input devices to form additional play input data in dependence upon the received feedback.
COMPUTER GAMES BASED ON MENTAL IMAGERY