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- Professor of cognitive science Donald Hoffman presents his theory that the world we perceive is a virtual reality. Hoffman has tested this theory by running successful computer simulations that suggest there is no objective reality.
- When it comes to Nick Bostrom's simulation theory, Hoffman agrees with parts and disagrees with others. Hoffman argues that, while space time and physical objects do not correspond with objective reality, conscious experiences like the smell of garlic and the feel of velvet cannot be produced by the simulation.
- "You can't start with unconscious ingredients and boot up consciousness," Hoffman says.
Hoffman is professor of cognitive science at the University of California, Irvine. His writing has appeared in Scientific American and Edge, and his work has been featured in the Atlantic, Wired, and Quanta. He resides in Irvine, California. His latets book is "The Case Against Reality: Why Evolution Hid the Truth from Our Eyes" (
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