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Illusions

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by

Erin Rybnick

on 28 May 2013

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Transcript of Illusions

Erin Rybnick and Lizi Tujak-Weiss Illusions and Psychology An illusion is a misinterpretation of an a sensation or stimulus. It disorts your perceptions. Illusion Inspired by the eyes of a chameleon, which can move in two different directions at the same time
Uses double perspective
An impossible figure Sandro Del-Prete
1937-present "Table Top Towers" Rob Gonsalves
1959- present Inattention blindness is failing to notice something when our attention is directed elsewhere
used to discreetly drop the coin while the audience is distracted by the other hand moving in a circular motion
our focus is on the circling hand because it plays with our saccades Pencil and Coin Trick Straw and String
Trick Illusions are commonly
used in artwork (optical illusions) and in magic tricks. M.C. Escher
1898-1972 The artist well know for his use of illusions. "The Folded
Chess Set",
colored
pencil
drawing,
1975 "Incident on a Railway Bridge", colored pencil drawing, 1981 Impossible Double Perspective
Trains appear to be breaking out of their frames and colliding "Ascending and Descending," lithograph, 1960 size constancy between all of the monks on the staircase creates the perspective of the impossible staircase Visual Conflict between the 2-dimensional hand and the 3-dimensional hands Figure-Ground
Perceptual Set
Magic Realism: through his unique points of view "Drawing Hands" Many famous magicians are know for using a box as part of their show. Harry Houdini used a type of magic box in his vanishing elephant illusion. Magic Box How Does the Box Work? The Magician creates an illusion of a smaller box using the audiences depth perception. Trickception It's a trick within a trick- Did you notice? Change Blindness failing to notice changes in the environment
where you look doesn't matter, you only see what you're focusing on
told to watch the card trick and don't see the other changes. Magic Tricks Selective attention is focusing our conscious awareness on one stimulus.
Out of everything we perceive at any moment we are only conscious off a small fraction of it.
The spotlight model shows that our focus is the center of our visual field and is what we process is great detail. It turns into the fringe which is all of the other information being unconsciously processed.
While our minds are distracted by one hand's actions, the magician uses the other to perform the trick. Saccade
a rapid eye movement that precedes a conscious decision to look at something
when the hand moves in a straight forward motion we automatically look to the end
a circling motion forces us to fixate on the hand because our saccades cannot determine where it is going - we fail to notice the trick performed by the other hand uses the same circling hand trick while getting the scissors to take the attention away from the straw while the string is pulled out and hidden Trickception...

It was a trick within a trick. Did you see it?
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