![]() ![]() ![]() This is called transient epileptic amnesia (TEA). There is a form of temporal lobe epilepsy where the main sign of a seizure is a 15- to 30-minute period of forgetting. Transient global amnesia (TGA) is a clinical syndrome characterized by the sudden onset of anterograde amnesia (the 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. ![]() Typically, it occurs in individuals aged 5080 years, with decreased incidence in younger and older populations 1, 2. The possibility that episodes of transient and isolated amnesia might have an epileptic origin has been recognized for more than 100 years (Hughlings-Jackson, 1889). Peer Review reports Background Transient global amnesia (TGA) presents as sudden onset anterograde amnesia, with some features of retrograde amnesia, without residual cognitive impairment, of duration < 24 h. One person with epilepsy may not remember what happened last week, but clearly recall their schooldays another may often forget specific words, but remember events well another may keep forgetting where they’re going and why. Historical Background: Transient Global Amnesia and Transient Amnesia of Epileptic Origin. It can affect particular types of memory but not others. Seizures themselves, anti-epileptic medicines, mood changes and any underlying brain condition can all disrupt memory, especially if they affect the temporal lobe, the part of the brain which coordinates the storing of new memories and the retrieval of old ones.ĭisruption to the temporal lobe can affect either short or long term memory, or both. It is characterized by an episode of anterograde and retrograde amnesia lasting. Although TGA has a strikingly stereotypical presentation, it can be challenging to distinguish from other causes of acute-onset amnesia, including posterior circulation strokes, transient. Many people with epilepsy complain of having problems with their memory. Transient global amnesia (TGA) has been described since the 19th century. James Lind Alliance – UK Epilepsy Priority Setting Partnership.Innovations in Healthcare – Urgent Research Projects. ![]()
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