Answer:
In the given case, the brain of the alien would be showing an enlarged region with surface grooves and folds. It is nothing but the cerebral cortex and mainly the neocortex. As the name suggests that it is the latest addition to the brain and is regarded to be originated by the process of evolution.
It is the main region of extraordinary cognitive tendencies like reasoning, thinking, analysis, and other things. As mentioned in the question, that alien is trained like astronauts on the Earth, thus, this neocortex would be certainly found in the brain of the alien.
nice I'm going to do this with all the answers i have now
Both processes rely on each other to function
Both due to the fact that organisms have natural instincts, but also they can be nurtured by their parents or others to make correct moral decisions