The Focus on Neuroscience Box "Comparing Psychotherapy and Antidepressant Medication

The Focus on Neuroscience box "Comparing Psychotherapy and Antidepressant Medication" features a study in which positron emission tomography (PET) scans were taken at the beginning of the study and then again 12 weeks later. The PET scans compared brain activity in:

A) participants who received treatment with a dual-reuptake inhibitor and participants who received deep brain stimulation for major depressive disorder.
B) participants with bipolar disease and participants with major depressive disorder.
C) participants who received psychotherapy treatment for major depressive disorder and participants who received antidepressant medication treatment for major depressive disorder.
D) participants who received treatment with an SSRI antidepressant medication and participants who were treated with transcranial magnetic stimulation for major depressive disorder.