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.
Where does thinking occur? Isn't the frontal lobe the seat of cognition? I've heard stories, however, about subjects who were asked to think of particular things while their brains were being imaged, and the parts of their brains that showed more activity were those involved in the sensual/perceptive parts.