Human brains don’t just perceive reality—they invent it. In this episode of Science Quickly, cognitive neuroscientist Daniel Yon speaks with host Rachel Feltman about how perception is an active process of prediction in which the brain constructs theories about the world that can sometimes lead us astray. Drawing from his book A Trick of the Mind, he reveals why this “hallucination” of reality is not a flaw but a fundamental feature of how we navigate the world.

Recommended Reading
<a href="https://www.hachettebookgroup.com/titles/daniel-yon/a-trick-of-the-mind/9781538725221/?lens=grand-central-publishing">A Trick of the Mind. Daniel Yon. Grand Central Publishing, 2025 </a>
<a href="https://www.scientificamerican.com/article/the-neuroscience-of-reality/">The Neuroscience of Reality</a>

E-mail us at <a href="mailto:sciencequickly@sciam.com">sciencequickly@sciam.com</a> if you have any questions, comments or ideas for stories we should cover!
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Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

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