Lexic.us

¹ Source: wiktionary.com

Definition of Illusions

1. illusion [n] - See also: illusion

Medical Definition of Illusions

1. The misinterpretation of a real external, sensory experience. (12 Dec 1998)

Lexicographical Neighbors of Illusions

Literary usage of Illusions

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Cure of Imperfect Sight by Treatment Without Glasses by William Horatio Bates (1920)
"But while the illusions of normal sight are an evidence of relaxation, ... Some persons with errors of refraction have few illusions, others have many ..."

2. The Foundations of Science: Science and Hypothesis, The Value of Science by Henri Poincaré (1913)
"The Mind Dispelling Optical Illusions.—Actual perception of spatial properties ... In the case of optical illusions, with the so- called false perceptions ..."

3. The Psychology of Musical Talent by Carl Emil Seashore (1919)
"Illusions OF PITCH Normal illusions. Like all our other sensory experiences, pitch is subject to a great variety of so-called normal illusions ; ie, ..."

4. Dictionary of Philosophy and Psychology: Including Many of the Principal by James Mark Baldwin (1901)
"Illusions occur in connection with all the senses, and with certain obscure ... Such normal illusions are considered under the preceding topic ; and the ..."

5. Dictionary of Philosophy and Psychology: Including Many of the Principal by James Mark Baldwin (1901)
"Illusions occur in connection with all the senses, and with certain obscure ... Such normal illusions are considered under the preceding topic ; and the ..."

6. Outlines of Psychology by Wilhelm Max Wundt, Charles Hubbard Judd (1897)
"In many cases, to be sure, particular ideas can be shown to be illusions of fancy, but the presence of pure hallucinations is almost always doubtful because ..."

7. Psychology, General Introduction by Charles Hubbard Judd (1917)
"Illusions and hallucinations. Every form of mental pathology or abnormality is in some sense a case of ... Such are, for example, our geometrical illusions. ..."

8. Experimental Psychology: A Manual of Laboratory Practice by Edward Bradford Titchener, ( (1901)
"Visual Space Perception : the Geometrical Optical Illusions. ... The illusions which we are here to consider manifest themselves in an " erroneous ..."

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