This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Psychiatry
[{'content': 'A child with obsessive compulsive disorder (OCD) undergoes imaging of brain. Which of the following structures is likely to show atrophy? \nSelect and explain. \nA. Putamen, B. Cerebellum, C. Caudate nucleus, D. Globus pallidus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Solutions: - Neuroanatomical Structures Involved in OCD Orbitofrontal Coex Caudate (which is a pa of Basal Ganglia) Thalamus Extra edge: Other impoant Brain areas and associated psychiatric disorders : Psychiatric Disorders Brain Areas involved 1. Anxiety disorders Locus ceruleus Raphe nucleus Caudate nucleus Temporal coex Frontal coex 2. Depression Damage to the left frontal lobe 3. Alzheimer's disease Hippocampus", 'role': 'assistant'}]