Answer:
The correct option is: Hippocampus
Step-by-step explanation:
Hippocampus is an important part of the brain, seen as the ridge of gray matter tissue. It is found below the cerebral cortex on each side of the human brain.
It plays an major role in the formation and retention of new memory, memory consolidation (short-term to long-term memory) , spatial memory (navigation), and learning process.
Therefore, in the given example, the amnesia victims most likely have suffered damage to the Hippocampus.