The phantom illusion

GALMONTE, Alessandra, SORANZO, Alessandro, RUDD, Michael .E. and AGOSTINI, Tiziano (2015). The phantom illusion. Vision Research, 117, 49-58.

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Abstract

It is well known that visible luminance gradients may generate contrast effects. In this work we present a new paradoxical illusion in which the luminance range of gradual transitions has been reduced to make them invisible. By adopting the phenomenological method proposed by Kanizsa, we have found that unnoticeable luminance gradients still generate contrast effects. But, most interestingly, we have found that when their width is narrowed, rather than generating contrast effects on the surrounded surfaces, they generate an assimilation effect. Both high- and low-level interpretations of this “phantom” illusion are critically evaluated.

Item Type:	Article
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Psychology Research Group
Identification Number:	https://doi.org/10.1016/j.visres.2015.10.007
Page Range:	49-58
Depositing User:	Alessandro Soranzo
Date Deposited:	17 Dec 2015 11:40
Last Modified:	18 Mar 2021 04:55
URI:	https://shura.shu.ac.uk/id/eprint/11067

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