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Social misdirection fails to enhance a magic illusion.
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Social misdirection fails to enhance a magic illusion.
Authors text
Cui, Jie, Otero-Millan, Jorge, Macknik, Stephen L, King, Mac, Martinez-Conde, Susana
Journal/Book
Front Hum Neurosci
Year
2011
Abstract
Visual, multisensory and cognitive illusions in magic performances provide new windows into the psychological and neural principles of perception, attention and cognition. We investigated a magic effect consisting of a coin “vanish” (i.e. the perceptual disappearance of a coin after a simulated toss from hand to hand). Previous research has shown that magicians can use joint attention cues such as their own gaze direction to strengthen the observers’ perception of magic. Here we presented naïve observers with videos including real and simulated coin tosses to determine if joint attention might enhance the illusory perception of simulated coin tosses. The observers’ eye positions were measured, and their perceptual responses simultaneously recorded via button press. To control for the magician’s use of joint attention cues, we occluded his head in half of the trials. We found that subjects did not direct their gaze at the magician’s face at the time of the coin toss, whether the face was visible or occluded, and that the presence of the magician’s face did not enhance the illusion. Thus, our results show that joint attention is not necessary for the perception of this effect. We conclude that social misdirection is redundant and possibly detracting to this very robust sleight-of-hand illusion. We further determined that subjects required multiple trials to effectively distinguish real from simulated tosses; thus the illusion was resilient to repeated viewing.
Citation
Front Hum Neurosci. 2011 Sep 29;5:103.
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