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Art and Arts

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"There is a way that nature speaks, that land speaks.  Most of the time we are simply not patient enough, quiet enough, to pay attention to the story." ~Linda Hogan

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What's an Optical Illusion?

optical illusions -  art illusion - are the horizontal lines parallel? art illusion

An optical illusion is "a visually perceived image that is deceptive or misleading." - American Heritage Dictionary, Second College Edition, p. 873

An illusion refers to "an erroneous perception of reality."  - The American Heritage Dictionary, Second College Edtion, p. 642

An illusion is a false perception of reality; it can deal with mental or sensory processes.  An optical illusion refers to a false perception of the eyes, i.e., seeing something that is not really present.   Mental & sensor illusions are not uncommon in life & reveal our imperfect ability to understand reality.  For instance, the ear can easily mishear a statement, especially in noisy places or when the listener is just 10 or 15 feet away from the speaker; & the eye can easily mistake a shadow for an actual object in poor lighting conditions or during moments of trauma.

 

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