MENTAL MODEL · M3636

The Habit Loop

BehaviorHigh supportPsychology

Included

Updated 2026-08-05

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INTRODUCTION

English translation pending.

CORE DEFINITION

A model popularized by Charles Duhigg in The Power of Habit, published, building on the cue-routine-reward framework from neuroscience and on earlier work by Ann Graybiel and others. Its core proposition is that a habit is a loop rather than an isolated act: a cue triggers a routine, and the reward reinforces the cue-routine link until the behavior runs automatically. The key constraint is that the cue and the reward are what the loop is built on, so attempts to change a habit by suppressing the behavior while leaving both intact tend to fail.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Behavior diagnosis: identify the cue that starts the habit and the reward it actually delivers before trying to change it. - Substitution: keep the cue and the reward, and replace only the routine between them. - Design forward: attach a new behavior to an existing cue and give it a reward you will actually feel.

anchor

Anchor fast decisions

Repeating a behavior after a consistent cue in the presence of a reward strengthens the association until the cue alone generates anticipation of the reward, which then drives the behavior without deliberation. Because the drive comes from anticipation rather than from the reward itself, removing the behavior while leaving the cue unmet produces tension that the original routine resolves. Substitution works because it satisfies the same anticipation through a different route, so the loop closes without the unwanted behavior.

MINIMUM ACTION

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Practice this model in one real situation:

Pick one habit and write down its cue, its routine, and the reward it delivers. 2. Test the reward by substituting a different routine and observing whether the urge subsides. 3. Keep the cue and the reward, and choose a replacement routine that is easier to sustain. 4. Repeat the replacement at every occurrence of the cue until it becomes automatic. 5. To build a new habit, attach it to an existing cue and pair it with an immediate reward.

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
en.wikipedia.orghttps://en.wikipedia.org/wiki/The_Power_of_HabitZH · Explicit
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