According to the AOPA the average age of single-engine general aviation aircraft in the U.S. is over 30 years old and is expected to continue increasing. One of the reasons aircraft age more gracefully than autos is the required maintenance. Aircraft are required to undergo an annual inspection by a licensed mechanic.
The inferior frontal gyri are located in the lower back portion of the frontal lobe on each side of the brain. Creativity depends on thinking skills that rely on the use of baseline knowledge combined with innovative thinking.
This page explains what the different parts of your brain do. The frontal lobe governs our personality, character and behaviour. It is where we control our body movement and how we express ourselves. This part of the brain allows us to speak. It is also where we solve problems and do most of our learning.