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Topic: Illusion

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In the News (Sun 21 Apr 19)

  Summer Moon Illusion
A similar illusion was discovered in 1913 by Mario Ponzo, who drew two identical bars across a pair of converging lines, like the railroad tracks pictured right.
Psychology at the University of Wisconsin, the Moon Illusion is caused by oculomotor micropsia/macropsia.
The Moon Illusion: An Unsolved Mystery -- a nice overview of the Moon Illusion and its possible causes.
science.nasa.gov /headlines/y2005/20jun_moonillusion.htm   (719 words)

 Dr. Susan Blackmore
Different strands of research on the senses over the past decade suggest that the brave cognitive scientists, psychologists and neuroscientists who dare to tackle the problem of consciousness are chasing after the wrong thing.
To say that consciousness is an illusion is not to say that it doesn’t exist, but that it is not what it seems to be―more like a mirage or a visual illusion.
For the proposal “It’s all an illusion” even to be worth considering, the problem has to be serious.
www.susanblackmore.co.uk /journalism/ns02.htm   (0 words)

  The Moon Illusion
In my opinion this illusion is not sufficient in magnitude to account for the moon illusion, only to modify it (and confound attempts to experimentally study the moon illusion).
He also proposes an explanation of the moon illusion based on angular size illusions due to oculomotor micropsia, an illusion that accompanies the accommodation of the eye lens and the convergence of the two eyes.
Understanding the sky illusion may be the key to understanding the moon illusion, but to merely invoke the sky illusion as the cause of the moon illusion evades the fundamental issues, and is empty of content.
www.lhup.edu /~dsimanek/3d/moonillu.htm   (8836 words)

 Moon Illusion
Others have proposed that the Moon Illusion had to do with the fact that the eye-brain system is designed to work on the horizontal plane, not the vertical plane.
The illusion is not that the horizon Moon is larger, but that the overhead Moon is smaller in size than it "ought" to be.
The effect of this illusion is due mainly to the fact that our brain interprets the sky as being farther away near the horizon, and closer near the zenith (directly overhead, see fig.
www.archimedes-lab.org /moon_illusion/moon.html   (748 words)

 Illusion 'Out of the Mist' 1977 to 1979: JohnHawken.com
The band that had once been known as Renaissance was now Illusion, so christened from the name of their second album, which they opted to use as legally the name Renaissance now belonged to Annie Haslam and Company who had taken over from the original band in 1971.
The later released, second and self-titled Illusion album contains "Madonna Blue" which I consider to be one of the most powerful songs in rock.
Together, the line-up of Illusion marked a band that, who for me, were a near-perfect blend of power, melody and lyrical imagery.
www.johnhawken.com /illusion.html   (954 words)

 Al Seckel's Homepage of Illusions, Perception & Cognitive Science
Illusions can provide a wonderful window into how the brain works by revealing hidden underlying mechanisms in a way that normal perception fails to do.
I am particularly interested in understanding the neuronal correlates of visual and other types of sensory illusions, that is, how they can be explained in terms of the electrophysiology and neuroanatomy of the retinal and cortical networks that mediate visual perception.
This is the most thorough scientific collection of illusions published so far, with once again a great deal of previously unpublished illusions and effects, containing sophisticated and up-to-date scientific explanations.
www.illusionworks.com   (0 words)

 The Moon Illusion Explained
If you wonder why this famous moon illusion occurs, you should read the following article, for, as illusion researchers know, a new explanation is needed: The explanations currently offered by textbooks and the popular media (including virtually all the 'moon illusion' sites on the internet) simply do not explain the moon illusion.
Thirdly, this article reviews the new theory that the moon illusion is an example of the less familiar, but ubiquitous, "size" illusion known as oculomotor micropsia/macropsia.
In other words, the new theory for the moon illusion is not simple: But it currently is the most satisfactory explanation.
facstaff.uww.edu /mccreadd   (409 words)

 Akiyoshi's illusion pages
Hereafter, I grant permission to upload to your webpage up to three (3) images if your webpage is to discuss the science of illusion or vision, is not a commercial site, and does not contain indecent, obscene, or illegal content.
It is my pleasure to grant permission for the use of my illusion material for papers, articles, or books if they are for educational or research purposes.
For instance, the Ponzo illusion, if the image is the upper-converging version, is difficult to see.
www.ritsumei.ac.jp /~akitaoka/index-e.html   (0 words)

Already garnering awards, Illusion won the screenwriting award at the 12th Annual Hamptons International Film Festival, the Audience Award at the 8th Annual Sonoma Valley Film Festival, and Audience Awards and Best Feature Awards at the Inspiration Film Festival in Los Angeles, and the Spiritual Cinema Festival-at-Sea.
Daily Variety calls Illusion “An entertaining film, thanks in no small part to Douglas’ bravura performance.” And audiences express gratitude for the movie’s conclusion, a breath of fresh air in these cynical times.
Illusion, on the other hand, is a thoroughly satisfying meal, both intellectually and emotionally.
www.holisticbulletin.com /?action=fullnews&id=659   (1638 words)

 Amazon.com: Illusion: Books: Paula Volsky   (Site not responding. Last check: )
Illusion is the story of a revolution, and the ugliness and evils of revolution are clearly well known to the author.
Yes, there are magical machines and some people have the ability to create complex illusions to change people's expectations, but what could be a rather lazy author's trick to move things along never feels like that.
But illusions, the hallmark magical power of Vonahr, are not to be underestimated when used cleverly, a fact that Quinze vo Derrivalle demonstrates admirably.
www.amazon.com /Illusion-Paula-Volsky/dp/0553560220   (2367 words)

 Counter-Rotating Spirals Illusion
The illusion is an example of the "Motion Aftereffect" phenomenon.
This effect was described in the early 19th century by R. Addams who found that he could get a strong motion aftereffect by staring at a waterfall for several seconds then shifting his gaze to something else.
The two-part rotating spirals illusion was presented by stage magician Rudy Coby in his TV special "Rudy Coby: the Coolest Magician On Earth".
dogfeathers.com /java/spirals.html   (1224 words)

 Skytopia : Dynamic optical illusions. Pictures, 3D and animation
The Art of Optical Illusions is a fascinating collection of visual puzzles and enigmatic designs that will have you wondering if not how they work then certainly what they contain.
Another illusion I created, or rather discovered accidentally, but you'll need to have your PC in 24 bit colour to see it properly.
The optical illusions that have been created by myself are copyright 2002 onwards D.
www.skytopia.com /project/illusion/illusion.html   (2592 words)

 Poggendorff Illusion
This illusion was discovered in 1860 by physicist and scholar JC Poggendorff, editor of Annalen der Physik und Chemie, after receiving a letter from astronomer F. Zöllner.
In his letter, Zöllner described an illusion he noticed on a fabric design in which parallel lines intersected by a pattern of short diagonal lines appear to diverge (Zöllner’s illusion).
Whilst pondering this illusion, Poggendorff noticed and described another illusion resulting from the apparent misalignment of a diagonal line; an illusion which today bears his name.
www.michaelbach.de /ot/ang_poggendorff/index.html   (236 words)

 Illusion Softworks, a.s.
Illusion Softworks held there several lectures on production of films and games, Motion Capture in practice, analysis of current trends in game scripting, comparison of TV films and game scripting, tools, and ways of scripting.
Illusion Softworks and PTERODON have joined forces to create a brand new, action packed, First Person Shooter IP for the Next Generation Consoles and PC.
Published by Gathering and developed by Illusion Softworks in association with development team Pterodon, Vietcong is an intense first-person shooter which is now available in North America and will be available in Europe on April 11th.
www.illusionsoftworks.com   (0 words)

 Grand Illusions - Optical Illusions - Dragon Illusion
the veracity of the illusion is unsettling; You have turned a dull weekend at the office into an exploration of the wonders of the visual centers of the brain.
However the dragon gives us the wrong clues, because we mis-interpret what its shape is. We assume that the nose of the dragon is pointing out towards us, but in fact the dragon's head is concave.
You can download a copy of the actual dragon and try this illusion for yourself if you wish.
www.grand-illusions.com /opticalillusions/dragon_illusion   (0 words)

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