This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood Disorders, Subject name: Psychiatry
[{'content': 'Which of the following areas is less likely to play a role in depressive disorder? \nSelect and explain. \nA. Amygdala, B. Hippocampus, C. Anterior cingulate coex, D. Corpus callosum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The impoant structures playing a role in depressive disorder are: * Amygdala Hippocampus Anterior cingulate coex Dorsomedial prefrontal coex Ventromedial prefrontal coex Orbital prefrontal coex', 'role': 'assistant'}]