Tetris effect

English

Etymology

From Tetris +‎ effect, since players of the video game may find themselves thinking about fitting shapes together in the real world. The earliest known use of the term is in Jeffrey Goldsmith's article "This is Your Brain on Tetris", published in Wired in May 1994.

Noun

Tetris effect (plural not attested)

1. The effect of seeing hallucinatory images of a repetitive activity done earlier.