Problem: Hallmark findings of generalized anxiety disorder (GAD) include persistent worrying and anxiety out of proportion to reality. Which of the following pathophysiologic changes would be most likely to contribute to this condition? Need Assignment Help?
A. a relative decrease in glucose metabolism in the brain
B. elevated anticipatory activity in the bilateral amygdala
C. decreased activity in the anterior cingulate cortex
D. Increased white matter volume in specific parts of the brain