| Our contemporary world is full of enigmatic things. A number of them cannot be explained even by scientists. Others represent a range of illusions. Illusion world is great, not many people have good knowledge about it. Every person knows that when a spoon is dropped into water it seems broken, though in reality it is not. There is a great range of other resembling optical illusions. Observing various sorts of illusions is a wonderful way of spending time for people with broad mind.
An optical illusion is characterized by images perceived visually that are different from object reality. Our eyes gather info that is processed by brain. As a consequence we get a percept that doesn't match to what's objectively displayed. The kinds of the visual illusions differ in accordance with the object that forms this optical illusion. For instance, literal optical illusions create images that are really different from the objects that formulate them. You have possibly observed the pictures where at first you notice a certain object, but if you look more attentively you realize that this picture is formed with the use of other objects. An example of this literal illusion is a figure-grounded vase. Such pictures are commonly named ambiguous images. It's from time to time really hard to notice another image on the same image.
Physiological visual illusions have a certain effect on our brain and eyes and as a consequence we have an illusion of different parameters – brightness, color, size, movement. For example, there are images where some objects look as if they are of different color or size, when in reality they are the same. Visual illusion of Muller-Lyer with arrows is a great example of this type of visual illusions. Cognitive illusions make the brain made incorrect conclusions from what the eyes observe. These illusions include paradoxical and impossible objects like Penrose triangle and impossible stairs, and hallucinations as well.
Optical illusions constitute an excellent amusement for all the people. In addition, they help to look at our world from another side. In result your brain will become more flexible that will definitely assist you in life. |
