Change blindness

This is fascinating!  One of the first things I remember hearing Dave Snowden speak about is how people make decisions.  According to cognitive science we only have a very small percentage of what's in our visual range in sharp focus at any given time.  We see through a series of spot observations and fill in the rest based on past experience.  This often leads us to physically not see things that don't fit our expectations or patterns.  I remember when [...]