Results 31 to 40 of about 746 (151)

Amodal completion and knowledge [PDF]

open access: yesAnalysis, 2018
Abstract Amodal completion is the representation of occluded parts of perceived objects. We argue for the following three claims: First, at least some amodal completion-involved experiences can ground knowledge about the occluded portions of perceived objects.
Helton, Grace, Nanay, Bence
openaire   +2 more sources

On the Role of Contrast Polarity: In Response to van der Helm’s Comments

open access: yesBrain Sciences, 2020
In this work, we discussed and counter-commented van der Helm’s comments on our previous paper (Pinna and Conti, Brain Sci., 2019, 9, 149), where we demonstrated unique and relevant visual properties imparted by contrast polarity in eliciting ...
Baingio Pinna, Livio Conti
doaj   +1 more source

The Illusion of Absence in Magic Tricks

open access: yesi-Perception, 2020
Recently, a curious illusion of absence has been described, where the space behind an occluder is compellingly experienced as empty. This illusion is similar to illusions based on amodal completion in the sense that it refers to occluded portions of a ...
Mats Svalebjørg   +2 more
doaj   +1 more source

Amodal completion and localization

open access: yesVision Research, 2000
In a three-line vernier acuity task, a central line was localized between two aligned line segments. Accuracy did not improve when the segments formed a unified amodally completed percept. In a two-line vernier acuity task, a line was localized below a target line placed next to a physically segmented flank stimulus. Shifts in mean points of subjective
Greene, Harold H., Brown, James M.
openaire   +2 more sources

Never Repeat the Same Trick Twice—Unless it is Cognitively Impenetrable

open access: yesi-Perception, 2018
In their quest for creating magical experiences, magicians rely on a host of psychological factors. Here, we compare tricks based on attentional misdirection with tricks based on amodal completion.
Vebjørn Ekroll   +3 more
doaj   +1 more source

Perception of illusory contour figures: Microgenetic analysis [PDF]

open access: yesPsihologija, 2004
Microgenetic analysis was used to investigate perception of illusory contour figures which represent whole, completed forms on the basis of segmented, incomplete stimulation.
Gvozdenović Vasilije P.
doaj   +1 more source

Pacman in the sky with shadows: the effect of cast shadows on the perceptual completion of occluded figures by chimpanzees and humans

open access: yesBehavioral and Brain Functions, 2010
Background Humans readily perceive whole shapes as intact when some portions of these shapes are occluded by another object. This type of amodal completion has also been widely reported among nonhuman animals and is related to pictorial depth perception.
Imura Tomoko, Tomonaga Masaki
doaj   +1 more source

Amodal completion as a basis for illusory contours [PDF]

open access: yesPerception & Psychophysics, 1983
Kanizsa’s (1979) explanation of illusory contours in terms of amodal completion of perceptually incomplete elements was examined in five experiments by varying the elements partly delineating the corners and sides of a rectangle. The results from magnitude estimation of contour strength showed that (1) incomplete corner elements consistently resulted ...
R H, Day, R T, Kasperczyk
openaire   +2 more sources

On the Spatiotemporal Nature of Vision, as Revealed by Covered Bridges and Puddles: A Dispatch from Vermont

open access: yesi-Perception, 2021
Retinal painting, anorthoscopic perception and amodal completion are terms to describe visual phenomena that highlight the spatiotemporal integrative mechanisms that underlie primate vision. Although commonly studied using simplified lab-friendly stimuli
Gideon Paul Caplovitz
doaj   +1 more source

Complete mergeability and amodal completion

open access: yesActa Psychologica, 1999
When image fragments are taken to correspond to the visible portions of a single occluded object, the object is said to 'amodally complete' behind the occluder. Kellman and Shipley (Kellman, P. J., & Shipley, T. F. (1991). A theory of visual interpolation in objective perception.
openaire   +3 more sources

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