Please watch the following, short videos. 

The first illustrates emotional contagion.  Please pay close attention to the behaviors of the onlookers: 
http://www.youtube.com/watch?v=A0ewCD_-jIA  (4:01)

The second involves a set of John Medina’s brain rules:  Introduction (3:14), Memory (2:54), and Schema (2:17) at:  http://brainrules.net/brain-rules-video
How do the illustrated concepts apply to your work environment?