Science
Brain Myths Quiz — Fact or Fiction?
Test your knowledge of neuroscience myths vs facts with 50 questions about how your brain really works.
Test your knowledge of neuroscience myths vs facts with 50 questions about how your brain really works.
In 2013, researchers at the University of Utah scanned over 1,000 brains and found zero evidence that people are "left-brained" or "right-brained." That study is just one example of how popular brain beliefs crumble under scientific scrutiny. This quiz draws from a pool of 50 questions covering debunked myths, surprising truths, and the real science behind how your brain works.
Each round presents 10 multiple-choice questions at an easy difficulty level. Select your answer, read the instant explanation, and track your score. No timer, no signup — take it as many times as you like with randomized question order.
Questions cover classic myths like the "10% of your brain" claim, learning styles, and the Mozart Effect, alongside real facts about neuroplasticity, brain energy use, neuron counts, and how multitasking actually works. You'll discover why London taxi drivers have larger hippocampi and why brain freeze has a 26-letter medical name.
No — this is one of the most widespread brain myths. Brain imaging studies show that virtually all areas of the brain are active at various times throughout the day, even during sleep. While not every neuron fires simultaneously, there is no large dormant region waiting to be "unlocked."
No. A 2013 University of Utah study used brain imaging on over 1,000 people and found no evidence that individuals preferentially use one hemisphere over the other. While certain functions do lateralize (language tends to be left-hemisphere dominant), people do not have a dominant brain side that dictates personality or ability.
Not really. The original 1993 study found a tiny, temporary improvement in spatial reasoning after listening to Mozart, but follow-up research showed the effect was not specific to Mozart — any music the listener enjoyed produced similar short-term boosts. There is no evidence that passive listening permanently raises IQ.
Last updated: March 2026