PMID: 8938005Jan 1, 1996Paper

Pictorial depth and framing have independent effects on the horizontal-vertical illusion

Perception
P A Williams, J T Enns

Abstract

The method of constant stimuli was used to study the relative contributions of two factors (frame aspect ratio and pictorial depth) on the horizontal-vertical illusion. Four different contexts were created by combining vertically versus horizontally oriented frames with horizontally versus vertically slanted texture gradients. Points of subjective equality and just-noticeable differences were estimated from the psychophysical functions for each observer. The data revealed illusions ranging in size from 10.2% to 4.0% for the various frame-slant combinations, with no associated changes in response variability. The most important finding was that the effects of frame and depth were additive, suggesting that the illusion is determined by at least two different sets of mechanisms.

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Citations

May 20, 2009·Psychological Research·Pom Charras, Juan Lupiáñez
Nov 3, 2005·Journal of Experimental Psychology. Human Perception and Performance·Peter MitchellGnanathusharan Rajendran
Jul 1, 1997·Psychophysiology·T D Blumenthal
May 25, 2002·Perceptual and Motor Skills·Jaanus Raudsepp
Jul 14, 2010·Neuropsychologia·M de Montalembert, P Mamassian
Jun 10, 2005·Perception·Jaanus Raudsepp, Mats Djupsjöbacka
Dec 3, 2009·Perception·Pom Charras, Juan Lupiáñez
Jun 27, 2017·Perception·Marco Costa, Leonardo Bonetti
Jul 2, 2020·Journal of Vision·Stephen Dopkins, Darin Galyer
Mar 21, 2017·Attention, Perception & Psychophysics·Yongchun CaiZhi Li

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