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The Illusion of Absence in Magic Tricks
Mats Svalebjørg1, Heidi Øhrn1, Vebjørn Ekroll1
1Department of Psychosocial Science, University of Bergen.
I-Perception
|July 18, 2020
Summary
The illusion of absence, like amodal completion, is cognitively impenetrable and difficult to debunk. Discovering a magic trick's secret can also create a sense of impossibility.
Area of Science:
- * Cognitive psychology
- * Visual perception
- * Illusion research
Background:
- * The illusion of absence describes the compelling experience of empty space behind an occluder.
- * This illusion, similar to amodal completion, pertains to occluded visual information and may resist conscious knowledge.
- * Previous observations suggest cognitive impenetrability for the illusion of absence.
Purpose of the Study:
- * To test if the illusion of absence is cognitively impenetrable, akin to amodal completion.
- * To compare the debunking difficulty of the illusion of absence with amodal completion and misdirection techniques.
- * To investigate the subjective experience of magic and the discovery of trick mechanisms.
Main Methods:
- * Participants viewed magic tricks employing amodal completion, the illusion of absence, or misdirection.
- * Participants attempted to deduce the trick's secret after one, two, or three viewings.
- * Subjective ratings of the tricks' perceived magical quality were collected.
Main Results:
- * Tricks based on the illusion of absence were highly resistant to debunking, even after multiple presentations.
- * This resistance mirrors that of amodal completion illusions but differs from attentional/reasoning misdirection.
- * High magic ratings persisted even after participants understood the trick's mechanism.
Conclusions:
- * The illusion of absence demonstrates significant cognitive impenetrability, similar to amodal completion.
- * Magic tricks can elicit a sense of wonder not only through performance but also through the revelation of their secrets.
- * The discovery of a trick's secret may induce a distinct 'magical moment' of perceived impossibility.
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