3. 
       An individual experiences a “flow state” when they become deeply immersed in an activity that is demanding but not outside of their skillset. It is the full involvement of flow, rather than happiness, that makes for excellence in life. During flow, though, the activity in the prefrontal cortex, the area of the brain that is responsible for complex cognitive functions including memory, the monitoring of time, and self-consciousness, is temporarily inhibited. 5%