But how would he know Swedish?!

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Michael Boatwright awakes in Palm Springs with apparent amnesia
"Man found unconscious in hotel calls himself Johan Ek, speaks Swedish."

What we know about Michael Boatwright, who woke up in Palm Springs with amnesia
"The No. 1 most popular story - by far - on Sunday is about Michael Boatwright, a man who woke up in the emergency room at Desert Regional Medical Center with apparent amnesia."

Transient global amnesia
"Transient global amnesia is a sudden, temporary episode of memory loss that can't be attributed to a more common neurological condition, such as epilepsy or stroke."

Classical diseases revisited: transient global amnesia
"Transient global amnesia usually affects patients between the ages of 40 and 80. Patients with this condition are often described - wrongly - as being confused."

Dissociative Fugue
"Dissociative fugue, formerly called psychogenic fugue, is one of a group of conditions called dissociative disorders."

When a Brain Forgets Where Memory Is
"Every so often, seemingly normal people suddenly walk out of their lives and disappear, with no recollection of who they are, where they are from or what their previous life was like."

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