A new optical illusion challenges you to find the word 'FIGHT' hidden within a sea of 'FEAR' in just five seconds. This test measures visual perceptio ...

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 ...

This visual logic quiz is designed to challenge your perception, reasoning, and IQ. 🧠Each puzzle hides its answer in the ...

VANCOUVER — An online visual test may identify patients with Parkinson's disease (PD) at highest risk for dementia, results of a new study suggest. The analysis showed that patients with PD did worse ...

That child’s drawing of a house, tree, or person may represent more than an element of the refrigerator-as-art-gallery. It may predict a child’s intelligence later in life. A child’s intelligence at ...