Cognitive Scaffold

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MENTAL MODEL · M5773

Apraxia

Apraxia
TechnicalHigh supportNeuropsychology
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

The motor system is normal, and the patient understands instructions, but cannot execute purposeful complex actions (e.g., unable to perform the action of "combing hair" even though the hand can move). The brain's "motor planning" module is damaged.

SCAFFOLDING EFFECT

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A disconnect between knowing and doing. Some organizations suffer from "strategic apraxia"—top management understands strategy, frontline staff have execution capability, but the middle planning layer that "translates strategy into actions" is broken, leading to empty slogans and distorted actions.

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A neuropsychological disorder in which the patient has no motor paralysis, sensory loss, or comprehension deficits, yet cannot correctly execute learned actions as intended (e.g., pretending to comb hair). The mechanism is damage to the action planning/programming pathways.

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Source support: Explicit

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