Meaning and Definition of Illusion

Definition of illusion

The term illusion is that which refers to the feeling that a person can have that something is not as it really is. In this sense, the term is related to the sense perception of the different elements that run through the reality. However, the idea of illusion is not merely a physical matter of the senses if that also has nothing to do with the mental space in which reality can be distorted from psychological structures also altered such as visions or creations of alternate realities.
The concept of illusion comes from the latin, a language in which the verb illudere meant ' making fun of '. Thus, the concept evolved into the idea that the illusion is a burlesque or altered form of what is observed or perceived truly. Illusions can be for example in relation to the senses: auditory illusions, optical illusions, illusions even tactile or olfactory, Gustatory illusions. All they represent that the person is a type of sensory information but process it mentally differently from what is really a first impulse or feeling, for example when you hear a bird and is generated the illusion that this noise was produced by a human being.
The illusions can also be, leaving the space of altered reality, hopes or desires that a person may have with respect to something, in which case the term takes on a more positive sense and not so much confusion. The illusion, so for example wanting something to happen, something changes, etc. In this sense, the illusion is something that still has not happened but the person either by superstition or prior knowledge, can be considered as possible to be done, for example when it is said that someone has the illusion that your computer go champion.