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Transient forgetfullness

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Clinical syndrome characterized by sudden onset of anterograde amnesia (inability to encode new memories), accompanied by repetitive questioning, sometimes with a retrograde component, lasting up to 24 hours, without compromise of other neurologic functions (1).

Causes include:

  • head injury
  • epilepsy (postictal)
  • cerebrovascular insufficiency
  • Alzheimer's disease - in early disease
  • temporal lobe tumours
  • transient global amnesia


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