Robert Stickgold reported on his own experiences of proprioceptive imagery from rock climbing. Where's the spaceship? Samson thought as he instantly swiveled back and grabbed the air for a control box that wasn’t there.' (p. As he stepped out of the train, he stared upward into the crisp, clear sky. The earliest example that relates to a computer game was created by the game Spacewar! As documented in Steven Levy's book Hackers: 'Peter Samson, second only to Saunders in Spacewarring, realized this one night when he went home to Lowell. It has also been known to occur with non-video games, such as the illusion of curved lines after doing a jigsaw puzzle, the checker pattern of a chess board, or the involuntary mental visualisation of Rubik's Cube algorithms common among speedcubers. The Tetris effect can occur with other video games. Ī more comprehensive understanding of the lingering effects of playing video games has been investigated empirically as game transfer phenomena (GTP). Those experiencing the effect may feel they are unable to prevent the thoughts, images, or dreams from happening. They may see such colored, moving images when they are falling asleep, a form of hypnagogic imagery. They may see colored images of pieces falling into place on an invisible layout at the edges of their visual fields or when they close their eyes. People who have played Tetris for a prolonged amount of time can 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. It takes its name from the video game Tetris.

The Tetris effect (also known as Tetris syndrome) occurs when people devote so much time and attention to an activity that it begins to pattern their thoughts, mental images, and dreams. People who play video puzzle games like this for a long time may see moving images like this at the edges of their visual fields, when they close their eyes, or when they are drifting off to sleep.

Stuck while playing illusion real play