some orthopedic specialists like spannaus the maya are still convinced by knee arthroscopy is and so the myth lives on. how can we get rid of myths from our minds once and for all. the cognition psychologist eka explains that the brain doesn't have a delete button once we've stored a myth it's difficult to overwrite it with new information. basically what he's discovered is that we're mentally lazy. feeling that with many of the things we hear we don't have the interest or the motivation to investigate them fully our convictions often play