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illusion : something that deceives or misleads intellectually — Webster
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Illusion is a distortion of the senses, revealing how the brain normally organizes and interprets sensory stimulation. Though illusions distort reality, they are generally shared by most people. Illusions may occur with any of the human senses, but visual illusions (optical illusions) are the best-known and understood. The emphasis on visual illusions occurs because vision often dominates the other senses. For example, individuals watching a ventriloquist will perceive the voice is coming from the dummy since they are able to see the dummy mouth the words. Some illusions are based on general assumptions the brain makes during perception. These assumptions are made using organizational principles (e.g., Gestalt theory), an individual’s capacity for depth perception and motion perception, and perceptual constancy. Other illusions occur because of biological sensory structures within the human body or conditions outside the body within one’s physical environment.
The term illusion refers to a specific form of sensory distortion. Unlike a hallucination, which is a distortion in the absence of a stimulus, an illusion describes a misinterpretation of a true sensation. For example, hearing voices regardless of the environment would be a hallucination, whereas hearing voices in the sound of running water (or other auditory source) would be an illusion.
Mimes are known for a repertoire of illusions that are created by physical means. The mime artist creates an illusion of acting upon or being acted upon by an unseen object. These illusions exploit the audience’s assumptions about the physical world. Well-known examples include “walls”, “climbing stairs”, “leaning”, “descending ladders”, and “pulling and pushing”. — Wikipedia
Illusion, Category (New World Encyclopedia), Britannica
Introduction
Illusions: Their Causes, Characteristics and Applications (Matthew Luckiesh, VisualIllusion.net)
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Illusion Sciences: why are we surprised by only some of the things that we see? (Arthur Shapiro)
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Mighty Optical Illusions Biggest Optical Illusions blog. Dedicated to visual phenomena and real life illusions. Daily updated.
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Which Side Is Darker?
by admin on September 22, 2017 at 2:35 pm
This illusion will have you questioning your eyes and the colors your brain can process. If you had to pick the darker shade of blue,… The post Which Side Is Darker? appeared first on Mighty Optical Illusions. […]
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Ambiguous Cylinder Illusion
by admin on September 21, 2017 at 3:22 pm
This illusion is the “Ambiguous Cylinder Illusion.” Winning “Best Illusion of the Year” in 2016. It was created by Kokichi Sugihara, a professor from Meiji… The post Ambiguous Cylinder Illusion appeared first on Mighty Optical Illusions. […]
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Why Is It Called Hump Day?
by admin on September 20, 2017 at 2:42 pm
Wednesdays are also known as hump day. As per Dictionary.com: “Starting around 1965, Wednesday began being referred to as “hump day”. Smack dab in the middle of the… The post Why Is It Called Hump Day? appeared first on Mighty Optical Illusions. […]
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A Quiet Retreat Alongside The Lake
by admin on September 19, 2017 at 1:48 pm
As the summer months come to an end, we brace for a change in season. When Starbucks roll the Pumpkin Spice Lattes out, you know… The post A Quiet Retreat Alongside The Lake appeared first on Mighty Optical Illusions. […]
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Bio-mechanic Human Beings
by admin on September 18, 2017 at 2:53 pm
Have you ever wondered how machines and humans can co-exist together? Most noteworthy AI and robot Sci-Fi movies such as Terminator, iRobot, Bicentennial Man explore… The post Bio-mechanic Human Beings appeared first on Mighty Optical Illusions. […]