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Mirror writing is reversed script that reads from right to left and appears as ordinary writing when reflected in a mirror. This anomaly in early writing development is often seen in left-handed children, who may naturally write in this reversed manner before adapting to the conventional left-to-right direction. Brain injuries can also lead to mirror writing, considered a regression to an earlier reversal state. Leonardo da Vinci is famously noted for allegedly using mirror writing to keep his scientific work private.1

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