Retrograde amnesia

Retrograde amnesia is a type of amnesia when someone cannot remember what happened before the event that caused the memory loss (such as a head injury). This is different from anterograde amnesia, when someone cannot remember what happened after the event.

Retrograde Amnesia Media

Types of RA can be divided into two main categories: temporally graded RA and pure forms of RA. Individuals with pure forms of RA like focal, isolated, and pure RA do not have anterograde amnesia (AA).

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