(Press-News.org) Magic tricks make the impossible seem possible. Magicians have long captivated audiences with visual tricks, such as pulling a bunny from a hat or sawing someone in half, but tricks that rely on sound are scarce. A new article published in the Cell Press journal Trends in Cognitive Sciences on October 4 explores why creating a magical experience using only sound may be challenging and underscores the importance of making magic accessible to people with blindness.
"Given that magic is about the conflict between perceptual processes and our beliefs, we should be able to experience magic in other senses, but it turned out to be really difficult," says corresponding author Gustav Kuhn (@GustavKuhn), an Associate Professor in Psychology at the University of Plymouth. "If you're born blind, you'll likely never have experienced a magic trick. Why is that? Can we create tricks that could be enjoyed and experienced by people with blindness?"
Only a handful of tricks involve other senses, like touch, and virtually none focus solely on auditory perception. But auditory illusions are everywhere. Stereo sound manipulates audio timing between the ears, creating the illusion of sound coming from different directions. Movies use the Shepard tone, an auditory illusion that gives the impression of an endlessly rising pitch, to build unease and tension that keeps the audience on edge.
So, why are auditory magic tricks rare? The researchers argue that the reason may stem from the fundamental differences between how the brain processes visual and auditory information. Humans are visual creatures. We tend to trust what we see more than what we hear, making us more surprised when our vision fools us.
Visual perception also reflects the state of the world, while auditory perception is transient. In other words, sound provides information about an event that has happened. Because magic relies on manipulating the perceived state of the world, this distinction between vision and sound may be at the heart of why auditory tricks are elusive.
"If you see a trumpet, you don't say 'I saw a perception of a trumpet,'" says Kuhn. "But if you hear a trumpet, you’re more likely to say, 'I heard the sound of a trumpet.' This is the kind of difference we don't think about."
Another possibility is that magicians simply never considered creating auditory tricks, though the team believes it’s unlikely given the creativity and history of the craft. Still, to find out, the team launched a competition challenging magicians to conjure tricks using only sound, with results expected in November 2024.
"Magic should not rely on vision alone, and yet it's nearly impossible to perform a trick that does not involve our visual perception," says Kuhn. "We don’t fully understand why yet, but this is an interesting question that invites more investigation into our senses and may help make magic more inclusive."
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This work was supported by the Agence Nationale de Recherche grant.
Trends in Cognitive Sciences, Kuhn et al. “Magic for the blind: Are auditory tricks impossible?” https://cell.com/trends/cognitive-sciences/fulltext/S1364-6613(24)00223-7
Trends in Cognitive Sciences (@TrendsCognSci), published by Cell Press, is a monthly review journal that brings together research in psychology, artificial intelligence, linguistics, philosophy, computer science, and neuroscience. It provides a platform for the interaction of these disciplines and the evolution of cognitive science as an independent field of study. Visit http://www.cell.com/trends/cognitive-sciences. To receive Cell Press media alerts, please contact press@cell.com.
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