PET studies indicate that, over the course of antidepressant treatment, activity in the amygdala:
A) always decreases.
B) decreases only when treatment is effective.
C) always increases.
D) increases only when treatment is effective.

Question

Quizplus · Accepted Answer

PET studies have consistently shown that the amygdala, which is implicated in the processing of emotions, is hyperactive in patients with depression. However, with effective treatment, the hyperactivity in the amygdala decreases. Therefore, the correct choice is B - the amygdala decreases only when treatment is effective.

PET Studies Indicate That, Over the Course of Antidepressant Treatment