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Psychology

Why upside-down faces hide shocking distortions

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The Thatcher effect is a glitch where your brain completely fails to notice grotesque changes to a face if the image is upside down. Because our facial recognition algorithms strictly process right-side-up features, flipping the image turns off the alarm system. You can invert someone's eyes and mouth, and your brain will shrug and say 'looks fine to me' until you rotate it.

Why upside-down faces hide shocking distortions
STACKY / Psychology
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