Amnesia refers to a health complication in which an individual suffers loss of memory. Memory storage takes place in the limbic system and any complication that alters the function of this system of the brain can lead to memory loss-amnesia. At times amnesia appears in intermittent spontaneity, in which case it is referred to as transient Global .There Exist different forms of Amnesia. There is a situation in which the patient looses memory stored on long term basis. This is due to the inability to create new memories, lack of memorization. This leads to a situation in which the patient constantly forgets events or even people after a few minutes. This happens because the conscious memory is not successfully transferred to the long term memory for permanent storage. This condition is referred to as Anterograde amnesia and is very common in older men in which case the patients suffer serious loss of memory for hours of minutes
The other form occurs by causing the loss of memories that pre-exist in the mind. It impairs conscious recollection to a degree that is not normal. It initially affects the patient’s latest memories and the magnitude of the memories lost is dependent on the seriousness of the attack. The patient is unable to recollect any memory that he or she had before the amnesia attack but can register new memories. This form of Amnesia is called retrograde amnesia The condition rarely impacts the factual memory which a person has but in almost all cases it affects the autobiographical information in the persons brain.