system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 12-year-old boy is brought to his primary care physician because he has been tripping and falling frequently over the past 2 months. He says that he feels like he loses his balance easily and finds it difficult to walk in tight spaces such as his school hallways. Furthermore, he says that he has been experiencing insomnia over the same time period. His past medical history is significant for some mild allergies, but otherwise he has been healthy. Physical exam reveals that his eyes are fixed downwards with nystagmus bilaterally. Which of the following structures is most likely affected by this patient's condition?
assistant
Pineal gland