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- Dictionaryillusion/ɪˈl(j)uːʒn/
noun
- 1. an instance of a wrong or misinterpreted perception of a sensory experience: "stripes embellish the surface to create the illusion of various wood-grain textures" Similar
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Learn the meaning of illusion as an idea or belief that is not true, or something that is not what it seems to be. See synonyms, related words, and examples of illusion in sentences.
Learn the meaning of illusion as a misleading image, a deceptive perception, or a false belief. See synonyms, examples, word history, and related phrases of illusion.
An illusion is a false or misleading perception of reality, often caused by misinterpretation of visual stimuli. Learn more about the origin, usage, and types of illusions, such as optical, auditory, and cognitive illusions.
An illusion is an act of deception. Some optical illusions are pretty cool to watch, but an illusion can also point to an erroneous belief or false perception of reality, which is where you start getting into hallucination territory — seeing things that aren't there.
- Overview
- The nature of illusions
- Stimulus-distortion illusions
illusion, a misrepresentation of a “real” sensory stimulus—that is, an interpretation that contradicts objective “reality” as defined by general agreement. For example, a child who perceives tree branches at night as if they are goblins may be said to be having an illusion. An illusion is distinguished from a hallucination, an experience that seems...
Illusions are special perceptual experiences in which information arising from “real” external stimuli leads to an incorrect perception, or false impression, of the object or event from which the stimulation comes.
Some of these false impressions may arise from factors beyond an individual’s control (such as the characteristic behaviour of light waves that makes a pencil in a glass of water seem bent), from inadequate information (as under conditions of poor illumination), or from the functional and structural characteristics of the sensory apparatus (e.g., distortions in the shape of the lens in the eye). Such visual illusions are experienced by every sighted person.
This type of illusory sense perception arises when the environment changes or warps the stimulus energy on the way to the person, who perceives it in its distorted pattern (as in the case of the “bent” pencil referred to above).
- Louis Jolyon West
Learn the meaning of illusion as an idea or belief that is not true, or something that is not what it seems to be. See synonyms, collocations, and usage examples from various sources.
Learn the meaning of illusion as a false idea, belief, or appearance that is not in accord with reality. Find synonyms, pronunciation, grammar, and usage examples of illusion in British and American English.
