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.
The left part of the temporal lobe, for example, helps children acquire language. It makes the correlation between sounds heard and things seen or otherwise experienced. The left brain seems to be what side of the brain controls speech in 96% of children. There are creative areas in the brain that put concepts and experiences in different orders to think up new ways to say things. What side of the brain controls speech is not so obvious in this case. Creative thinking is generally thought to be in the right side of the brain, but not in this case. Oral language is spoken first in the mind. This happens especially when you rehearse a speech, or think in words about something.