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Purkinje shift

American  
Psychology.

  1. the changes in perception of the relative lightness and darkness of different colors as illumination changes from daylight to twilight.

Etymology

Origin of Purkinje shift

First recorded in 1970–75; see origin at Purkinje fiber

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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