Jonah and Eli Are Having a Conversation About How the Brain

Multiple Choice

Jonah and Eli are having a conversation about how the brain works.Jonah maintains that the brain must be much more active when a person is focused and attending to a problem,while Eli points out that the brain operates with the same activity no matter how focused a person is.Who is right?

A) Neither is right,because the brain exhibits about 5% more activity when a person is focused compared to when they are unfocused.
B) Jonah is right,as the brain shows between an 80% and 85% increase in activity when a person is focused compared to when they are unfocused.
C) Eli is right,because the brain activity level does not change at all when a person's focus level changes.
D) Neither is right,because the brain actually exhibits 10 to 15% less activity when a person is focused compared to when they are unfocused.