Results 241 to 250 of about 2,141,584 (279)

Influence of the gravitational vertical on geometric visual illusions

Acta Astronautica, 2005
International audienceThe occurrence of geometric orientation illusions and the perception of ambiguous figures were analyzed in 24 subjects during static body tilt relative to gravity on Earth.
Gilles Clément
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Geometry of a Visual Illusion*

Journal of the Optical Society of America, 1962
A new visual illusion is predicted from the assumption that the perceived distance along any path depends on the discriminability for position along the path. A disk is placed between two dots, so that the straight path between the dots is nearly tangent to the disk.
openaire   +2 more sources

The Illusion of Visual Illusions

2012
Visual illusions have played a prominent role in both philosophical and psychological studies of perception. It is also the case that most people have experienced them. These phenomena are said to be cases where literally you cannot believe your eyes.
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Visual illusions and neurobiology

Nature Reviews Neuroscience, 2001
The complex structure of the visual system is sometimes exposed by its illusions. The historical study of systematic misperceptions, combined with a recent explosion of techniques to measure and stimulate neural activity, has provided a rich source for guiding neurobiological frameworks and experiments.
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Susceptibility to Visual Illusions

The Journal of Psychology, 1965
(1965). Susceptibility to Visual Illusions. The Journal of Psychology: Vol. 61, No. 1, pp. 127-143.
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Visual illusions: pointing the finger at the Judd illusion

SPIE Proceedings, 2005
Attempts to demonstrate dual route processing of vision for action and vision for perception, have yielded mixed results. Early work suggested that motor actions were, unlike perceptual responses, unaffected by visual illusions. However, it has been argued that these experiments were methodologically flawed and that the evidence actually supports a ...
Andrew K. Dunn 0002, Peter Thompson
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Effects of visual illusions on grasping.

Journal of Experimental Psychology: Human Perception and Performance, 2001
In 2 experiments, the Muller-Lyer illusion (F. C. Muller-Lyer, 1889; N = 16) and the parallel-lines illusion (W. Wundt, 1898; N = 26) clearly affected maximum preshape aperture in grasping (both ps < .001). The grasping effects were similar but not perfectly equal to the perceptual effects.
Volker H. Franz, Manfred Fahle, Heinrich H. Bülthoff, Karl R. Gegenfurtner   +3 more
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Visual Illusions?

2017
Abstract The very definition of “illusion” is elusive. Various distinct ontologies are considered. The concept is tightly bound to the understanding of reality, awareness, “God’s eye,” objectivity, subjectivity, emphatic relations, and several others.
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Visual mechanisms and visual illusions

Annual Meeting Optical Society of America, 1987
Many perceptual phenomena and visual illusions can be understood-in terms of mechanisms that extract different kinds of energy. Photoreceptors are tuned for spectral energy, and cells in cortex can be considered to be tuned for local pattern energy corresponding to texture, scale, orientation, motion, and so on. Even though the tuning tends to be broad,
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Visual hallucinations and illusions

2010
Grant T. Liu, Nicholas J. Volpe, Steven L. Galetta   +2 more
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