In everyday life we are constantly bombarded with the response of our senses: sight, sound, smell, and feeling. Our brains have to decide what is important for us that need to be stored, and what is not to be discarded.
If we do not focus our attention spans are scattered in many different things and this will be reflected in our brains. Activity in the brain will also be degraded in the whole brain and no lasting impressions to be made.
When we concentrate on a task or a specific object, the brain will automatically minimize or shut down activities unrelated to the task and activate brain regions that