Visual search for size is influenced by a background texture gradient

Journal of Experimental Psychology. Human Perception and Performance
D J Aks, J T Enns

Abstract

Research on the perception of texture gradients has relied heavily on the subjective reports of observers engaged in free-viewing. We asked whether these findings generalized to speeded performance. Experiment 1 showed that an important aspect of subjective perception--size-constancy scaling with perceived distance--also predicted the speed of pop-out visual search for cylinders viewed against a texture gradient. Experiment 2 showed that this finding could not be attributed to the local contrast between search items and the background texture. Experiment 3 assessed the relative contributions of 2 separable dimensions of texture gradients--perspective (radial spreading) and compression (foreshortening)--finding them to be independent in the more rapid search conditions (long target shorter distractors) but combined in the influence in the slower conditions (short target longer distractors).

Citations

Oct 29, 2008·Psychological Review·Gregory J Zelinsky
Jun 7, 2002·Perception & Psychophysics·David J Bennett, William Warren
Apr 18, 2003·Perception & Psychophysics·Kao-Ping Chua, Marvin M Chun
Jan 1, 2016·Multisensory Research·Joshua J DobiasAnuja Sarwate
Mar 9, 2005·Perception & Psychophysics·Chie Nakatani, Alexander Pollatsek
Aug 12, 2010·Perception·Mark B Neider, Gregory J Zelinsky
Dec 15, 2015·Radiation Protection Dosimetry·Jeremy M WolfeEmilie Josephs
Sep 6, 2003·Perception & Psychophysics·Geniva LiuJames T Enns
Aug 7, 2013·Scientific Reports·Tomoko Imura, Masaki Tomonaga

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