Models in the Mind
Example of Orchestra Conductor

If you watch a professional conductor, he or she is conducting ahead of the actual music.  
This is because what is being conducted is the models in the minds of the musicians, not the
musicians directly.

When musicians practice long hours, they are forming a model of their hands, mouth and
instrument so that they can predict what will happen when they send signals to move certain

Other Examples:
Awkward Teenage Years
Umpire's Bad Calls