What is Amnesia?
3. Retrograde Amnesia
Retrograde amnesia is the variety that causes people to lose memories that they already held. In most cases, memories that were formed many years previously are unaffected. Instead, the patient will struggle to remember those memories that were formed relatively recently. Retrograde amnesia is sometimes caused by a severe trauma to the brain.
It can cause the patient to forget memories from the past years, even decades. In many cases, the memories will gradually return, allowing the patient to remember things like experiences with friends and family. Patients will sometimes think they have regained their full memory, only then to continue recalling memories they had lost.
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