Retrograde-amnesia
noun
1.
a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.
retrograde amnesia
noun
1.
amnesia caused by a trauma such as concussion, in which the memory loss relates to material learnt before the trauma Compare anterograde amnesia
retrograde amnesia n.
A condition in which events that occurred before the onset of amnesia cannot be recalled.
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