anterograde amnesia vs retrograde amnesia

What are the symptoms of transient global amnesia? population.įor people aged 50 and older, it affects 23 to 32 people per 100,000 a year. It affects about 5 to 10 people per 100,000 per year in the general U.S. Some studies suggest that people who have a history of the following health conditions may be more at risk for developing transient global amnesia: It rarely affects people younger than 40. Transient global amnesia mainly affects people between the ages of 50 and 80 (75% of cases). Who does transient global amnesia affect? However, during a TGA episode, they may not know where they are or the day or time.Įven though researchers have been studying transient global amnesia for over 50 years, they’re still not sure what causes it or why it happens. 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 global amnesia episodes usually last no more than several hours. Transient global amnesia (TGA) is a rare medical condition in which you experience a sudden episode of memory loss.ĭuring a TGA episode, you can’t form new memories (a condition called anterograde amnesia), and you have difficulty recalling recent memories (a condition called retrograde amnesia).

Anterograde amnesia vs retrograde amnesia