The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]

Our perception of an object’s size arises from the integration of multiple sources of visual information including retinal size, perceived distance and its size relative to other objects in the visual field. This constructive process is revealed through a number of classic size illusions such as the...

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Main Authors: J Daniel McCarthy, Colin Kupitz, Gideon P Caplovitz
Format: Article
Language:English
Published: F1000 Research Ltd 2013-02-01
Series:F1000Research
Subjects:
Online Access:http://f1000research.com/articles/2-58/v1
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author J Daniel McCarthy
Colin Kupitz
Gideon P Caplovitz
author_facet J Daniel McCarthy
Colin Kupitz
Gideon P Caplovitz
author_sort J Daniel McCarthy
collection DOAJ
description Our perception of an object’s size arises from the integration of multiple sources of visual information including retinal size, perceived distance and its size relative to other objects in the visual field. This constructive process is revealed through a number of classic size illusions such as the Delboeuf Illusion, the Ebbinghaus Illusion and others illustrating size constancy. Here we present a novel variant of the Delbouef and Ebbinghaus size illusions that we have named the Binding Ring Illusion. The illusion is such that the perceived size of a circular array of elements is underestimated when superimposed by a circular contour – a binding ring – and overestimated when the binding ring slightly exceeds the overall size of the array. Here we characterize the stimulus conditions that lead to the illusion, and the perceptual principles that underlie it. Our findings indicate that the perceived size of an array is susceptible to the assimilation of an explicitly defined superimposed contour. Our results also indicate that the assimilation process takes place at a relatively high level in the visual processing stream, after different spatial frequencies have been integrated and global shape has been constructed. We hypothesize that the Binding Ring Illusion arises due to the fact that the size of an array of elements is not explicitly defined and therefore can be influenced (through a process of assimilation) by the presence of a superimposed object that does have an explicit size.
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spelling doaj.art-2e2ac0fdd76c447aba3f8b345a30c7152022-12-22T00:06:14ZengF1000 Research LtdF1000Research2046-14022013-02-01210.12688/f1000research.2-58.v1859The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]J Daniel McCarthy0Colin Kupitz1Gideon P Caplovitz2Department of Psychology, University of Nevada Reno, Reno, NV, 89557, USADepartment of Psychology, University of Nevada Reno, Reno, NV, 89557, USADepartment of Psychology, University of Nevada Reno, Reno, NV, 89557, USAOur perception of an object’s size arises from the integration of multiple sources of visual information including retinal size, perceived distance and its size relative to other objects in the visual field. This constructive process is revealed through a number of classic size illusions such as the Delboeuf Illusion, the Ebbinghaus Illusion and others illustrating size constancy. Here we present a novel variant of the Delbouef and Ebbinghaus size illusions that we have named the Binding Ring Illusion. The illusion is such that the perceived size of a circular array of elements is underestimated when superimposed by a circular contour – a binding ring – and overestimated when the binding ring slightly exceeds the overall size of the array. Here we characterize the stimulus conditions that lead to the illusion, and the perceptual principles that underlie it. Our findings indicate that the perceived size of an array is susceptible to the assimilation of an explicitly defined superimposed contour. Our results also indicate that the assimilation process takes place at a relatively high level in the visual processing stream, after different spatial frequencies have been integrated and global shape has been constructed. We hypothesize that the Binding Ring Illusion arises due to the fact that the size of an array of elements is not explicitly defined and therefore can be influenced (through a process of assimilation) by the presence of a superimposed object that does have an explicit size.http://f1000research.com/articles/2-58/v1Cognitive NeuroscienceSensory Systems
spellingShingle J Daniel McCarthy
Colin Kupitz
Gideon P Caplovitz
The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
F1000Research
Cognitive Neuroscience
Sensory Systems
title The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
title_full The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
title_fullStr The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
title_full_unstemmed The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
title_short The Binding Ring Illusion: assimilation affects the perceived size of a circular array [v1; ref status: indexed, http://f1000r.es/nv]
title_sort binding ring illusion assimilation affects the perceived size of a circular array v1 ref status indexed http f1000r es nv
topic Cognitive Neuroscience
Sensory Systems
url http://f1000research.com/articles/2-58/v1
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