PIPER'S LAW

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the standard that for a uniformly aroused retinal region peripheral to the fovea, the threshold for luminance is inversely proportional to the square root of the region aroused.

PIPER'S LAW: "Ricco's Law and Piper's Law are often interchanged when they should not be, as they are different."
Cite this page: N., Sam M.S., "PIPER'S LAW," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/pipers-law/ (accessed June 28, 2022).

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