Answer:
Retrograde amnesia
Explanation:
In psychology, when you suffer an injury, loss of consciousness or start having a disease (like dementia) you can get retrograde amnesia, which is the phenomenon by which you forget the events that took place just before the injury.
As opposed to the anterograde amnesia in which you forget the events that take place after the injury and therefore they cannot be stored into the long-term memory.
In this example, we are asked for the phenomenon that occurs when an individual experiences a loss of memory for experiences that occurred shortly before a loss of consciousness. Thus, this would be retrograde amnesia.
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