Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M9294

Braille System

Braille System
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A tactile writing system invented by Louis Braille, using combinations of six raised dots to represent letters and numbers for reading by visually impaired people.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Channel-switching thinking. When one sensory channel is blocked, use another channel through encoding conversion—a universal accessibility design principle.

anchor

Anchor fast decisions

The dot system invented by Louis Braille uses a 6-dot (2×3) raised dot matrix with different combinations to represent letters, numbers, and symbols, read by touch. It converts visual text into tactile recognition by encoding the most information with the fewest dot positions.

MINIMUM ACTION

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Source support: Explicit

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