Optical illusion Brain test: Only highly intelligent people can spot the letter T in 7 Secs
Optical Illusion Brain test: Optical illusions are also called visual illusions and this is among the amazing experience that hitches between our eyes and the brain. They are of many types and also used a lot in the IQ testing and in testing the ability of the eyes. Optical illusions are caused by our visual system and can be mainly divided into three categories: tangible, somatic and mental perceptual deception. …
