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.
A part of the brain called the temporal lobe controls a very important part of a person: memories. In addition, this specific part of the brain controls language functions, sexual functions and personality. It also has an effect on how the person perceives verbal and non-verbal input.