It's the same reasoning as why insurance gives better deals to people of greater age.. They are seen to have more experience and be more "mature " to drive safer if you have more years driving your insurance goes down.. same concept
Answer:
Neuroscience.
Explanation:
Neuroscience is a new approach in the psychology field which involves the study of the brain. This new field analyzes human behavior and mental processes that are intertwined with activity on the brain. This also turns to be the key interests for psychological study. Studying damaged brains is one of the most useful ways to increase our understanding of the links between the brain and behavior.