In a 50-year-old man with a known anterior communicating artery aneurysm who now shows apathy, reduced self‑initiated activity, slowed motor initiation, and paucity of speech, which region is most likely dysfunctional: medial prefrontal cortex, hippocampus, right ventrolateral prefrontal cortex, frontal polar cortex, or orbital frontal cortex?

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Last updated: February 14, 2026 • View editorial policy

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