Our sensing and emotions, thinking and feeling modes can operate in the inner as well as the outer world ...
These differences reflects how we take in information and make decisions about this information. There has been a lot of work in this area in particular around Myers Briggs type indicators... Clicking on each type
from the following link will provide more information on how each type's perception and judgement are related to the inner and outer world.
Here is a set of slides I have adapted a couple of months ago for one of my classes. These are quite basic.