Answer:
prefrontal cortex; amygdala
Explanation:
Prefrontal cortex: The term "prefrontal cortex" is considered as a part of an individual's brain which is located in the front of the frontal lobe. The prefrontal cortex is responsible for various complex behaviors, for example, planning cognitive behavior, decision making, personality expression, moderating social behavior, and involves in an individual's personality development process.
Amygdala: The term "amygdala" is considered as an almond-shaped set of neurons which is located in an individual's medial temporal lobe of the brain and is a part of the limbic system. It is responsible for emotions processing, memory, and survival instincts.
In the question above, Brenda's prefrontal cortex is not able to handle the emotional intensity of her amygdala.