Results 41 to 50 of about 509,279 (172)

Study Replication: Shape Discrimination in a Conditioning Procedure on the Jumping Spider Phidippus regius

open access: yesAnimals, 2023
Spiders possess a unique visual system, split into eight different eyes and divided into two fully independent visual pathways. This peculiar organization begs the question of how visual information is processed, and whether the classically recognized ...
Eleonora Mannino   +3 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

How does our search engine "see" the world? The case of amodal completion. [PDF]

open access: yesAtten Percept Psychophys, 2011
This article illustrates a dissociation between the perceived attributes of an object and the ability of those attributes to guide the deployment of attention in visual search. Orientation is an attribute that guides search.
Wolfe JM   +5 more
europepmc   +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

Amodal Completion

open access: yes, 2023
Abstract Amodal completion is the representation of those parts of the perceived object that we don’t get sensory information from. In the case of vision, it is the representation of occluded parts of the objects we see. Amodal completion is not a perceptual curiosity, it happens virtually all the time we perceive.
openaire   +1 more source

Visual Discrimination Learning in the Jumping Spider Phidippus regius

open access: yesAnimal Behavior and Cognition, 2017
Over the past decade, research in comparative psychology has increasingly focused on non-vertebrate models of cognition. Jumping spiders provide excellent models for the study of visually mediated behaviors, such as associative learning or the navigation
Massimo De Agrò   +2 more
doaj   +1 more source

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

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