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Recurrent coital amnesia
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Transient global amnesia (TGA) is a well defined and not uncommon clinical entity, comprising the sudden development of a dense anterograde amnesia, usually accompanied by repetitive questioning, without alteration in consciousness or other epileptic phenomena, or the development of focal neurological features. Behaviour during the episode may otherwise appear normal and recovery is complete within 24 hours, except for an amnesic gap for the duration of the attack together with a short and variable period of retrograde amnesia.1 The cause of TGA is not known, but it seems to be strongly associated with migraine, although …