What Mirrors Do

A reflection’s reversal is a product of optics, but our interpretation of the type of directional switching we see comes from neuroscience.

Psychology

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July-August 2019

Volume 107, Number 4
Page 224

DOI: 10.1511/2019.107.4.224

The question of why mirrors reverse left and right and not, say, up and down, is a perennial one, and one that never seems to be solved to everyone’s satisfaction. If you put the question “Why do mirrors reverse left and right?” to Google, you will receive nearly 6 million replies. The question has also piqued academic interest.

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