Brain Teasers

Brain Myths: True or False Quiz

Do we really use only 10% of our brains? Bust eight common brain myths, true or false, with instant scoring. Free, no sign-up.

⚡ Quick answer

Brain Myths is a free, 8-question true-or-false quiz on common claims about the brain, with instant scoring. Each answer reflects the scientific consensus, so you can learn the real facts. It is for fun, not a medical test.

Do we use only 10% of our brains? Does listening to Mozart make babies smarter? This quiz puts eight popular brain claims to the test - just call each one true or false. Decide in the box above.

It is free, no sign-up, and every answer reflects mainstream science. It is a fun, myth-busting workout, not an IQ or medical test.

How it works

Read each claim and decide: true or false.

  • Eight popular brain claims.
  • Each is genuinely true or false.
  • Pick to score and learn the real fact.
  • Get a score out of 8 and a fun title.

Your score stays in your browser.

What it measures

It checks how well you separate brain fact from popular fiction.

  • Spotting myths that 'sound right'.
  • Knowing what science actually shows.
  • Updating old beliefs with new facts.

Busting a myth you believed is the most satisfying answer here.

The honest way to read your score

A high score means you know your brain facts - not that you have a certain IQ. Beat your own best, then quiz a friend.

Want more facts? Try our hard brain trivia quiz or the optical illusions quiz.

⚠ When to talk to a professional

This quiz is for fun and learning only. It is not an intelligence or medical test and does not diagnose anything. The answers reflect mainstream science, but it is general information, not medical advice.

Frequently asked questions

Do we really use only 10% of our brain?
No - that is a myth. Brain imaging shows we use virtually all of the brain, just not every region at once. That is a classic false answer here.
Is it free?
Yes - free, in your browser, no sign-up, with instant scoring and a shareable result.
Are the answers based on science?
Yes - each true/false answer reflects the current scientific consensus, so the quiz doubles as a quick myth-buster.

Give your brain a daily workout

Take a short, non-medical quiz and get a simple daily brain routine.

Try the free memory test