How does Eysenck use activity occurring in the cerebral cortex to explain the difference between introverts and extraverts?

The citation for the textbook is down below:

Carver, C. S., & Scheier, M. F. (2017). Perspectives on personality (8th Ed.). Boston: Pearson.

Chapter 7 Paper topics:

1. How does Eysenck use activity occurring in the cerebral cortex to explain the difference between introverts and extraverts?
2. BAS and BIS activity are thought to be tied to differences in biological functioning. What neurotransmitters are thought to be linked with BAS and BIS functioning?
3. According to Eysenck, what happens when neuroticism combines with introversion?
4. Describe some of the findings that support the link between prenatal exposure to male hormones and aggression