Illusions - Things You Need To Know |
| Date Added: February 12, 2011 06:14:42 AM |
| Author: inhfo23 |
| Category: Entertainment: Games |
| Our modern world is full of enigmatic things. Some of them cannot be explained even by scientific experts. Others constitute a group of illusions. Illusion world is wide, few people have deep knowledge about it. Every person has noticed that when a spoon is dropped into water it seems broken, although in objective reality it isn't. There is a great range of other resembling optical illusions. Observing various types of optical illusions is a wonderful pastime for people with inquisitive mind. An optical illusion is characterized by visually perceived images that are different from object reality. An eye gathers info that is processed by brain. As a result we obtain a percept that doesn't match to what's objectively displayed. The kinds of the optical illusions differ according to the object that creates this optical illusion. For instance, literal optical illusions create images that are really different from the objects that make them. You have probably observed the pictures where at first you notice a certain object, but when you look more attentively you acknowledge that this image is formed using other objects. An example of this literal optical illusion is a Figure-grounded vase. Such images are usually called ambiguous pictures. It is from time to time really hard to notice another picture on the same image. Physiological illusions have certain effect on our brain and eyes and as a result we get an illusion of various parameters – brightness, color, movement, size. For example, there are pictures where some things seem to be of different size or color, when in reality they are the same. Optical illusion of Muller-Lyer with arrows is an excellent example of this kind of visual illusions. Cognitive optical illusions make the brain made not correct conclusions from what the eyes see. These illusions include paradoxical and impossible objects like Penrose triangle and impossible stairs, as well as hallucinations. Optical illusions represent a great amusement for all the people. In addition, they help to look at our world from the other side. As a result your brain will become flexible that will certainly help you in life. |
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