![]() People experiencing a TGA episode may appear disoriented and confused. Some people also cannot recall memories from hours, days, or longer in the past. ![]() Transient global amnesia (TGA) involves a sudden inability to form new memories. What are the symptoms of transient global amnesia (TGA)? One type of TGA results from excessive alcohol consumption, large doses of barbiturates, illicit “street” drugs or small doses of benzodiazepines. It is performed by closing your mouth and pinching your nose and bearing down as if having a bowel movement. This is a breathing technique purposely performed by a person as part of a medical test or to slow a rapid heart rate and other uses. Psychological factors, such as anxiety, may also make TGA more likely.įor some people, TGA may occur as a result of certain triggers or events, including: Migraine headache appears to be a risk factor for developing TGA. In some cases, TGA may be related to seizure activity in the brain. However, some research suggests that TGA results from lack of sufficient blood flow (a condition called ischemia) or oxygen flow (a condition called hypoxia) to the brain. The exact cause of transient global amnesia (TGA) is unknown. What causes transient global amnesia (TGA)? Transient global amnesia (TGA) occurs in approximately 3 to 10 people out of every 100,000. How common is transient global amnesia (TGA)? This condition usually occurs in people between the ages of 50 and 70. Who is likely to have transient global amnesia (TGA)? However, during a TGA episode, they may not know where they are or the day or time. They also retain their language and social interaction skills. ![]() They can still perform complex daily tasks, such as cooking or driving. People with TGA remember who they are and can remember their friends and family members. Transient means “passing,” and TGA episodes usually last no more than several hours. During a TGA episode, a person cannot form new memories (a condition called anterograde amnesia) and has difficulty recalling recent memories (a condition called retrograde amnesia). Transient global amnesia (TGA) is a rare medical condition in which a person experiences a sudden episode of memory loss.
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