Think back to a really vivid memory. Got it? Now try to remember what you had for lunch three weeks ago. That second memory probably isn't as strong— but why not? Why do we remember some things, and not others? And why do memories eventually fade? Catharine Young gives the basics on memory and memory loss. [Directed by Patrick Smith, narrated by...

View full lesson: http://ed.ted.com/lessons/how-memorie... Think back to a really vivid memory. Got it? Now try to remember what you had for lunch three weeks ago. That second memory probably isn’t as strong, but why not? Why do we remember some things and not others? And why do memories eventually fade? Catharine Young gives the basics on memo...

We cannot live without it, but how often do we stop to think about how our brain really works? In this talk, TED Fellow Dr. Catharine G. Young, a trained Neuroscientist, shares why we are susceptible to falling for misconceptions and misinformation and provides three simple tools that everyone can start using to overcome these shortcuts.