Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M5687

Chronostasis

Chronostasis
TechnicalHigh supportNeuroscience
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

When your eyes quickly saccade to a new target (such as the second hand of a clock), the brain fills in the visual gap during the eye movement, causing you to perceive the first second as particularly long (the second hand seems to pause).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

The nonlinearity of subjective time. When we rapidly switch from an old task to a new one, the initial perceived time is stretched. This illusion can make us mistakenly think the new task is 'progressing slowly' or 'extremely long,' but in reality, it is just a side effect of the brain switching focus.

anchor

Anchor fast decisions

During saccades, visual input is suppressed, and the brain fills in the gap with stable scenes before and after the saccade to create a sense of continuity. When the gaze lands on a new target with a motion marker (such as a second hand), the brain fills the blank during the eye movement with a 'static' frame of that target, so subjectively the first moment feels extended (about 100–400 milliseconds).

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/ChronostasisZH · Explicit
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