Answer:
reticular activating system
Step-by-step explanation:
Hans is an extravert and is very sociable. Mickey is an introvert and prefers solitude. According to Eysenck's theory, we would likely expect different levels of activity in which region of these men's brains? reticular activating system
The Reticular Activating System (RAS) is a bundle of nerves at our brainstem that selects unnecessary information so the important stuff gets through.