This optical illusion is mind-bending and thought-provoking because it challenges the brain to perceive objects, paintings, ...

A challenging optical illusion featuring a hidden bear tests observation skills and IQ. The puzzle requires finding the bear ...

Engage with this intriguing optical puzzle designed to test your visual acuity. Your primary objective is to scrutinize the ...

Spotting the hidden bear in this optical illusion image means you are among the most intelligent and sharp-eyed individuals!

A man is hiding in plain sight in this optical illusion picture. Can you spot him in 5 seconds? Test your eyes and brain ...

An illusion is an inaccurate perception of a real external object, indicating a sensory distortion. The most common illusions are visual, auditory, or tactile in nature, although smell and taste ...

Optical illusion personality tests are a very fascinating way of combining visual perception with personality analysis. These ...

Our intuition tells us that we experience the world directly, but in fact significant processing intervenes between sensation and perception, as demonstrated by the ventriloquist's illusion.

A recent online trend involves optical illusions, which can purportedly assess IQ, boost concentration, and enhance visual ...

The full details are described in 'The Thatcher illusion 28 years on...' (Perception, volume 38: pages 921–922). 2. Thompson P (1980) 'Margaret Thatcher: A new illusion' Perception, volume 9 ...