Chronostasis
Stopped Clock Illusion
A type of time illusion in which the first impression following the introduction of a new event or task-demand to the brain can appear to be extended in time.
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Origin
The phenomenon was first scientifically described by Kielan Yarrow, Patrick Haggard, and John Rothwell in their 2001 paper published in Current Biology. Rothwell coined the term "chronostasis" from Greek chronos (time) and stasis (standing still). The classic experience occurs when glancing at a ticking clock—the first second seems longer. The brain extends perception of the saccadic target backwards in time, compensating for visual interruption during rapid eye movements.
Updated February 22, 2026