Reality: No matter what you're doing, your brain is always active. Brain scans show that at times some areas are more active than others, but no region in a healthy brain is simply turned off.
This article was originally published with the title "You use only 10% of your brain" in SA Mind 23, 2, 12 (May 2012)
doi:10.1038/scientificamericanmind0512-12b
