Friday, November 21, 2008

The Tetris effect

The Tetris effect is the ability of an activity to which people devote sufficient time and attention to begin overshadow their thoughts, mental images, and dreams.

People who play Tetris for a long time might then find themselves thinking about ways different shapes in the real world can fit together, such as the boxes on a supermarket shelf or the buildings on a street. In this sense, the Tetris effect is a form of habit.

They might also see images of falling Tetris shapes at the edges of their visual fields or when they close their eyes. In this sense, the Tetris effect is a form of hallucination.

They might also dream about falling Tetris shapes when drifting off to sleep. In this sense, the Tetris effect is a form of hypnagogic imagery

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