MENTAL MODEL · M2648

Hebb's Law

TechnicalHigh supportNeuroscience

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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

“Cells that fire together, wire together.” If two neurons are frequently activated simultaneously, the synaptic connection between them will strengthen. -

SCAFFOLDING EFFECT

psychology

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The physiological mechanism of habit formation. - This is the physical basis of learning and association. Why do you feel sleepy when you see a bed? Because the neurons for “bed” and “sleep” are always activated simultaneously. If you want to develop a new habit (like running), you must bundle it with an existing strong neural circuit (like listening to your favorite music) and activate them together, reshaping brain connections through physical means.

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Hebb's rule is summarized as “neurons that fire together wire together”: if A repeatedly participates in activating B, the synaptic connection between them strengthens. It is the fundamental rule of neural plasticity underlying learning and memory.

MINIMUM ACTION

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Practice this model in one real situation:

Identify groups of neurons that are repeatedly co-activated. Strengthen synaptic weights through repeated co-activation. Use this to understand the formation of habits and conditioned reflexes.

Check to track your progress (stored locally)

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Source support: Explicit

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