What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.
A visual evoked potential (VEP) test is one test that a doctor may use to diagnose multiple sclerosis and monitor disease treatment and progression. Your brain and spinal cord make up your central ...
Optical illusions, especially those with hidden objects, test how quickly and efficiently your brain can analyse visual information. Many illusions rely on our brain's ability to recognise patterns.
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