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Case Lab · Type A · Foundation

F44

Found without a name

A 30-year-old woman is found by police unable to recall her name, home address, or any autobiographical detail from the past several years, though she can still speak fluently, navigate her surroundings, and recall general knowledge. This began abruptly the day after she witnessed a violent assault. A full neurological work-up, including brain imaging, is normal, and there is no history of head injury or substance use.

What is the best-supported classification?