BRAIN - Study pinpoints why we miss subtle visual changes, and why it keeps us sane

Ever notice how Harry Potter's T-shirt abruptly changes from a crewneck to a henley shirt in "The Order of the Phoenix," or how in "Pretty Woman," Julia Roberts' croissant inexplicably morphs into a pancake? Don't worry if you missed those continuity bloopers. Vision scientists at the University of California, Berkeley, and the Massachusetts Institute of Technology have discovered an upside to the brain mechanism that can blind us to subtle chang ...

http://medicalxpress.com/news/2014-03-subtle-visual-sane.htm