This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Higher Functions, Subject name: Physiology
[{'content': 'Which structure is an impoant pathway for communication between the limbic system and the brain stem? \nSelect and explain. \nA. Fornix, B. Anterior commissure, C. Indusium griseum, D. Medial forebrain bundle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The medial forebrain bundle extends from the septal and orbitofrontal regions of the cerebral coex downward through the center of the hypothalamus to the brain stem reticular area. This structure serves as an impoant communication system between the limbic system and the brain stem', 'role': 'assistant'}]