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Dementia depression pseudodementia — USMLE Step 3 MCQ

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ModeratePsychiatry (outpatient management)Dementia depression pseudodementiaUSMLE Step 3

A 74-year-old man reports memory problems after his wife's death. He says “I don't know” during testing and appears tearful. Family notes abrupt onset over 2 months. He has insomnia, low appetite, and guilt. Neurologic examination is normal. Which of the following is the most likely explanation for this patient's findings?

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Correct answer: B — Depression causing cognitive symptoms

Depression in older adults can present with prominent cognitive complaints, abrupt onset, poor effort, and mood symptoms.

Reference: APA Depression in Older Adults Guidance