It is in the human psychology that we believe what we see, without seeing we do not believe it. But there are exemptions to any hard and fast rules that we follow. What if you something right in front of your eyes and you still can’t believe it? This can happen if it is an optical illusion. Optical illusions are one form of art that can trick the eyes to the very end of your life. There look like something, but they are something else. These kinds of illusions can convey multiple meanings at the same time. Optical illusions will stay ambiguous forever. So here are some of the interesting facts that you should know about optical illusion.
History of optical illusion:
All of pretty much remember the duck-rabbit illusion, a drawing that resembled both duck and a rabbit, left to the discretion of the viewers to decide what it is. It is one of the oldest art forms of illusion, and we still have people who both sides equally and fight over rabbit and duck. This artwork was created by Duncan Caldwell. It is believed that Duncan Caldwell surveyed the ancient rocks and caves that bore artworks that were all illusionary in nature. This instigated Caldwell to try few on his own. This is the well-known modern origin of optical illusion.
Types of illusion:
Depending on the form in which illusion is created they are classified into different types. Listed below are the types of illusions:
- Optical illusion
- Auditory illusion
- Tactile illusion
Among the three listed above, the most widely experienced and known form of illusion is an Optical illusion. It can visually disturb a person leading to ambiguous opinions towards the image that they are viewing. Depending on the type of illusion it can create psychological impacts as well. While some can scare the person, the other can take the person to a state of rest. Optical illusion can play only with the visual senses of a person,
In the auditory illusion, the feeling of ambiguity and illusion is created by different noises and sound effects that can affect listeners to different degrees. The person can wonder or feel psychologically disturbed depending on the intensity of the illusion involved in a particular audio. This is known as an auditory illusion. It only affects the hearing sense and doesn’t create a visual impact.
Unlike the other two illusions stated earlier, which can be experienced by any normal individual, the tactile illusion isn’t like that. It is most commonly experienced by people who have medical conditions. For instance, schizophrenia is one such example of the tactile illusion. It can also happen with people who have gone through other medical treatments as in amputation or major surgery. Even after complete recovery, they feel the pain that actually doesn’t exist. This is because they still haven’t gotten the experience and fear that they might face the trouble anytime soon. This is the tactile illusion.